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WO2018225603A1 - Dispositif d'affichage pourvu d'une fonction d'entrée de position - Google Patents

Dispositif d'affichage pourvu d'une fonction d'entrée de position Download PDF

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Publication number
WO2018225603A1
WO2018225603A1 PCT/JP2018/020730 JP2018020730W WO2018225603A1 WO 2018225603 A1 WO2018225603 A1 WO 2018225603A1 JP 2018020730 W JP2018020730 W JP 2018020730W WO 2018225603 A1 WO2018225603 A1 WO 2018225603A1
Authority
WO
WIPO (PCT)
Prior art keywords
position input
touch panel
liquid crystal
frame
touch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2018/020730
Other languages
English (en)
Japanese (ja)
Inventor
亀田　健
浩志 薮田
佐合　由志
遼 松田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sharp Corp filed Critical Sharp Corp
Publication of WO2018225603A1 publication Critical patent/WO2018225603A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means

Definitions

  • the present invention relates to a display device with a position input function.
  • the liquid crystal display device described in Patent Document 1 includes a liquid crystal display panel, a touch panel disposed in front of the liquid crystal display panel, a protective film disposed in front of the touch panel, and a back disposed in the rear of the liquid crystal display panel. And a housing in which a liquid crystal display panel, a touch panel, and a backlight are housed, the protective film is located on the inner side of the end of the touch panel, and the housing is in a direction in which the protective film is located.
  • the touch panel is provided with a light shielding film at a portion facing the boundary between the protrusion and the protective film.
  • a liquid crystal display device 1 having a touch panel function that is currently generally distributed will be described with reference to FIG.
  • a liquid crystal display device 1 shown in FIG. 11 extends along a liquid crystal panel 2 for displaying an image, a backlight device 3 for irradiating the liquid crystal panel 2 with light for display, and an outer peripheral edge of the liquid crystal panel 2.
  • a touch panel 5 having an existing frame-like portion 4a and accommodating the liquid crystal panel 11 and the backlight device 3, and a touch panel 5 for detecting an input position by a finger FIN for inputting a position.
  • a light shield attached to the liquid crystal panel 2 and the frame-like part 4a while straddling the liquid crystal panel 2 and the frame-like part 4a, and the touch panel 5 arranged on the finger FIN side with respect to the frame-like part 4a. And a tape 6.
  • the light-shielding tape is arranged so as to straddle the liquid crystal panel 2 and the frame-like portion 4a. 6 makes it possible to block light leakage.
  • the light shielding tape 6 which is a dedicated member for light shielding, there is a problem that the manufacturing cost increases.
  • a gap C is generated between the light shielding tape 6 interposed between the end portions of the liquid crystal panel 2 and the touch panel 5 and the polarizing plate 2a on the front side of the liquid crystal panel 2, the touch panel 5 is liquid crystal.
  • the present invention has been completed based on the above circumstances, and an object thereof is to improve the degree of freedom in appearance design. It is another object of the present invention to reduce the cost by eliminating a dedicated member for shading and improve the yield.
  • the display device with a position input function includes a display panel that displays an image, an illumination device that irradiates the display panel with light for display, and a frame shape that extends along an outer peripheral edge of the display panel. And a position input unit for detecting an input position by a position input body for performing position input, the position being relative to the display panel and the frame-shaped part.
  • a position input unit arranged in a form overlapping the input body side; and a light shielding unit arranged in a form straddling the display panel and the frame-like part in the position input unit.
  • a display panel will display an image using the light irradiated from the illuminating device.
  • position input is performed by the position input body based on the image displayed on the display panel
  • the input position can be detected by the position input unit.
  • the lighting device is housed in a housing having a frame-like portion extending so as to surround the outer peripheral end of the display panel.
  • there is a gap between the display panel and the frame-shaped portion of the housing there is a concern that light from the lighting device may leak from the gap, but the position input unit The light leaking from the gap can be blocked by the light blocking portion arranged in a manner straddling the frame-shaped portion.
  • the position input unit is arranged on the position input body side with respect to the display panel and the frame-shaped part, the protruding portion of the housing is located on the position input body side with respect to the position input unit as in the past.
  • the degree of freedom of the external appearance design on the position input body side with respect to the position input unit is high.
  • a dedicated member for light shielding as in the prior art is interposed between the display panel and the position input unit, a partial gap is generated between the display panel and the position input unit. Can be avoided. Therefore, when the display panel and the position input unit are bonded together, bubbles are less likely to be generated, so that the quality of the appearance is less likely to deteriorate and the yield is improved.
  • the degree of freedom in appearance design can be improved.
  • FIG. 1 is a plan view of a liquid crystal panel provided in a liquid crystal display device according to Embodiment 1 of the present invention.
  • the top view which is the touchscreen with which a liquid crystal display device is equipped, and shows the state before bending a side part Sectional view of the liquid crystal display device cut along the short side direction Sectional drawing which cut
  • the top view which expanded the corner vicinity of the touch panel in the state before bending a side part Sectional drawing which cut
  • FIGS. 1 and 4 A first embodiment of the present invention will be described with reference to FIGS.
  • a liquid crystal display device 10 with a touch panel function will be described.
  • a part of each drawing shows an X axis, a Y axis, and a Z axis, and each axis direction is drawn to be a direction shown in each drawing.
  • FIGS. 3 and 4 are used as a reference, and the upper side of the figure is the front side and the lower side of the figure is the back side.
  • the liquid crystal display device 10 has a horizontally long rectangular shape as a whole, and the long side direction coincides with the X-axis direction and the short side direction coincides with the Y-axis direction. As shown in FIG. 3, the liquid crystal display device 10 is disposed (opposite) with a liquid crystal panel (display panel) 11 capable of displaying an image and overlapping the front side (position input body side) with respect to the liquid crystal panel 11.
  • a backlight device (illumination device) 14 that is an external light source that supplies light for display to the liquid crystal panel 11, and the liquid crystal panel 11 and the backlight device 14 are accommodated to accommodate the liquid crystal panel 11.
  • a chassis (housing) 20 surrounding from the outer peripheral side.
  • the liquid crystal panel 11 has a pair of substantially transparent substrates 11a and 11b bonded together with a predetermined gap (cell gap) therebetween, and liquid crystal is sealed between the substrates 11a and 11b.
  • the configuration is Of the pair of substrates 11a and 11b, an array substrate (active matrix substrate) 11b arranged on the back side is connected to a switching element (for example, TFT) connected to a source wiring and a gate wiring orthogonal to each other, and connected to the switching element. Structures such as pixel electrodes and alignment films are provided.
  • the array substrate 11b has a glass substrate on which the various structures described above are formed.
  • the CF substrate (counter substrate) 11a arranged on the front side is adjacent to a color filter in which colored portions such as R (red), G (green), and B (blue) are arranged in a predetermined arrangement.
  • a color filter in which colored portions such as R (red), G (green), and B (blue) are arranged in a predetermined arrangement.
  • structures such as a counter electrode and an alignment film are provided.
  • a pair of front and back polarizing plates 11c are attached to the outer surface sides of the pair of substrates 11a and 11b, respectively.
  • the display surface of the liquid crystal panel 11 forms a display area (active area) AA on which an image is displayed and a frame shape (frame shape) surrounding the display area AA and a non-display area on which no image is displayed.
  • Non-active area NAA.
  • the alternate long and short dash line represents the outer shape of the display area AA
  • the area outside the alternate long and short dash line is the non-display area NAA.
  • the CF substrate 11a constituting the liquid crystal panel 11 has a short side dimension shorter than the short side dimension of the array substrate 11b. The two end portions in the Y-axis direction) are bonded together.
  • the other end of the array substrate 11b in the short side direction is a CF substrate non-overlapping portion 11b1 that protrudes laterally with respect to the CF substrate 11a and does not overlap with the CF substrate 11a.
  • the CF substrate non-overlapping portion 11b1 is a non-display area NAA.
  • a liquid crystal panel driver (panel driving portion) 15 for driving a TFT or the like in the display area AA is mounted in addition to a COG (Chip On ⁇ ⁇ Glass).
  • a liquid crystal panel flexible substrate (display panel connection member) 16 having a function of transmitting a signal related to a display function and the like is connected to 15.
  • the liquid crystal panel driver 15 is composed of an LSI chip having a drive circuit therein, and is supplied from the control board by operating based on a signal supplied from a control board (panel control board) (not shown) that is a signal supply source.
  • the input signal is processed to generate an output signal, and the output signal is output to the display area AA of the array substrate 11b.
  • the flexible substrate 16 for a liquid crystal panel includes a base material made of a synthetic resin material having insulation properties and flexibility (for example, polyimide resin), and has a large number of wiring patterns (not shown) on the base material. is doing.
  • the flexible substrate 16 for the liquid crystal panel is bent in a folded shape, and one end in the length direction is electrically connected to the control substrate and the other end is electrically connected to the array substrate 11b of the liquid crystal panel 11 via an ACF (anisotropic conductive film). Connected mechanically and mechanically. At both ends of the liquid crystal panel flexible substrate 16, there are provided terminal portions (not shown) through which conductive contact with the connection target is achieved via the ACF.
  • ACF anisotropic conductive film
  • the touch panel 12 is used by the user of the liquid crystal display device 10 to input position information (perform a touch operation) according to an image displayed on the liquid crystal panel 11. .
  • the touch panel 12 is a so-called projected capacitance method, and the detection method is, for example, a mutual capacitance method.
  • the touch panel 12 is a touch panel pattern 12b formed by patterning a substrate 12a made of a synthetic resin (for example, made of PET) having a substantially transparent and high translucency, and a substantially transparent translucent conductive film formed on the substrate 12a. (See FIG. 5).
  • the substrate 12 a has a horizontally long rectangular shape when seen in a plan view, and is arranged so as to cover the liquid crystal panel 11 over almost the entire region from the front side.
  • the touch panel pattern 12b includes a plurality of touch electrodes (position detection electrodes) 17 arranged in a matrix in the plate surface of the substrate 12a.
  • the plurality of touch electrodes 17 are arranged in a matrix along the X-axis direction and the Y-axis direction in an area overlapping the display area AA of the liquid crystal panel 11 on the touch panel 12.
  • the display area AA on the liquid crystal panel 11 substantially coincides with the touch area (position detection area) where the input position can be detected on the touch panel 12, and the non-display area NAA cannot detect the input position (non-touch area).
  • Position detection area is almost the same. Then, when a finger (position input body) FIN, which is a conductor, is brought close to the surface of the touch panel 12 (protective member 13) to input a position based on the image of the display area AA visually recognized by the user, as shown in FIG. In addition, a capacitance is formed between the finger FIN and the touch electrode 17.
  • the capacitance detected by the touch electrode 17 near the finger FIN changes as the finger approaches, and is different from the touch electrode 17 far from the finger FIN. Based on this, the input position can be detected.
  • the touch panel 12 is fixed to the liquid crystal panel 11 via a translucent fixing member (translucent fixing member) 18 that is substantially transparent for the touch panel.
  • the translucent fixing member 18 for a touch panel is made of an OCA (Optical Clear Adhesive) film, and an ultraviolet curable resin material (photo curable resin material) that cures when irradiated with ultraviolet rays is used as the material. .
  • the long side end portion 12E1 on the same side as the CF substrate non-overlapping portion 11b1 is supplied from a touch panel control circuit (not shown) as shown in FIGS.
  • a touch panel flexible substrate (connecting member, position detecting connecting member) 26 for transmitting the signal is connected.
  • the flexible substrate 26 for a touch panel includes a base material made of a synthetic resin material having insulation and flexibility, like the flexible substrate 16 for a liquid crystal panel, and one end side of the base material is on the substrate 12a of the touch panel 12 and the other end. Each side is connected to the control board via an ACF.
  • the touch panel control circuit is provided on the control board.
  • terminal portions are provided through which conductive contact with the connection target is achieved through the ACF.
  • the protective member 13 has a horizontally long rectangular shape so as to cover the liquid crystal panel 11 and the touch panel 12 over almost the entire area from the front side, thereby protecting the liquid crystal panel 11 and the touch panel 12.
  • the protective member 13 is made of glass that is substantially transparent and has excellent translucency and has a plate shape, and is preferably made of tempered glass.
  • the tempered glass used for the protective member 13 for example, it is preferable to use chemically tempered glass having a chemically strengthened layer on the surface by applying a chemical tempering treatment to the surface of the plate-like glass substrate, but not necessarily Not as long.
  • the protective member 13 is arranged in a form facing the front side of the touch panel 12 and is fixed to the touch panel 12 via a transparent transparent member for protective member 19 that is substantially transparent.
  • the protective member translucent fixing member 19 is made of an OCA film using an ultraviolet curable resin material as a material, similarly to the touch panel translucent fixing member 18. Further, a protective member light-shielding portion (not shown) made of a light-shielding material is provided on the outer peripheral end portion of the protective member 13, and the formation range thereof is substantially the same as the non-display area NAA of the liquid crystal panel 11. Superimposed.
  • the backlight device 14 is disposed on the back side (the side opposite to the touch panel 12 side) with respect to the liquid crystal panel 11 and emits white light (white light, for example) or a light source.
  • An optical member that converts the light from the light into planar light by applying an optical action to the light from the light.
  • the backlight device 14 has an outer peripheral end fixed to the outer peripheral end of the liquid crystal panel 11 by a backlight fixing member 14 a made of a frame-like double-sided tape.
  • the chassis 20 is made of synthetic resin or metal, and as shown in FIGS. 3 and 4, has a substantially box shape opened toward the front side and can accommodate the backlight device 14 and the liquid crystal panel 11. It is said.
  • the chassis 20 has a bottom 20a that has a horizontally-long rectangular shape whose plan shape is slightly larger than that of the backlight device 14, and a Z-axis direction (normal direction of the display surface) from the outer peripheral end of the bottom 20a to the front side. And a frame-like portion 20b that rises.
  • the bottom portion 20a has a flat plate shape and supports the backlight device 14 from the back side (the side opposite to the liquid crystal panel 11 side).
  • the frame-shaped part 20b has a horizontally long and rectangular frame shape (endless ring) when seen in a plan view, and is composed of a pair of long side parts and short side parts that are connected to each other.
  • the frame-like portion 20b has a protruding tip that reaches the array substrate 11b of the liquid crystal panel 11, and thereby surrounds the outer peripheral end of the array substrate 11b over the entire circumference. That is, the inner peripheral surface of the protruding tip portion of the frame-shaped portion 20b is opposed (facing directly) to the outer peripheral end surface of the array substrate 11b.
  • the touch panel 12 is arranged in an opposing manner. That is, it can be said that the touch panel 12 is arranged in a form overlapping the liquid crystal panel 11 and the frame-like portion 20b of the chassis 20 on the front side.
  • the touch panel 12 is provided with a light shielding portion 21 that is arranged in a manner straddling the liquid crystal panel 11 and the frame-like portion 20 b in a plan view.
  • the light shielding part 21 is black and is made of a light shielding material having high light absorption and high light shielding properties, and is formed by printing or applying the light shielding material on the surface of the touch panel 12.
  • the light shielding portion 21 is formed on the front surface (finger FIN side, protection member 13 side) of the touch panel 12.
  • the light-shielding portion 21 has a frame shape extending along the circumferential direction of the outer peripheral end portion of the liquid crystal panel 11 and the frame-shaped portion 20b, and a boundary portion between the outer peripheral end portion of the liquid crystal panel 11 and the frame-shaped portion 20b. It is arranged to cover the entire circumference from the front side. In FIG. 3 and FIG. 4, the light shielding portion 21 is illustrated by a bold line. By the way, if there is a gap between the outer peripheral end of the liquid crystal panel 11 and the frame-like portion 20b of the chassis 20 that surrounds it from the outer peripheral side, the light from the backlight device 14 is directed toward the front side from the gap. There is concern about leaking.
  • the light-shielding part 21 since the light-shielding part 21 is arranged on the touch panel 12 so as to straddle the liquid crystal panel 11 and the frame-like part 20b, the light shielding part 21 blocks light that is about to leak from the gap toward the front side. Can do. As a result, deterioration of display quality due to light leakage that may occur in the non-display area NAA in which the gap is arranged is suppressed.
  • the touch panel 12 having the light shielding portion 21 is arranged on the front side with respect to the liquid crystal panel 11 and the frame-shaped portion 20b, the protruding portion of the casing is in a conventional manner with respect to the touch panel 12.
  • the degree of freedom of the front side appearance design with respect to the touch panel 12 is higher. Specifically, it is avoided that the formation range of the protective member 13 arranged in a manner overlapping the front side with respect to the touch panel 12 is limited due to the absence of the conventional protruding portion. Therefore, it is possible to make the protective member 13 a forming range extending over the entire area on the most front side of the liquid crystal display device 10, and thus the appearance design of the liquid crystal display device 10 can be made excellent. In addition, since light that leaks out from the gap toward the front side can be blocked by the light blocking portion 21, a dedicated member (light blocking tape) for light blocking as in the prior art is not required, and the manufacturing cost can be reduced. It is suitable for planning.
  • the touch panel 12 includes a touch panel body (position input unit body) 22 that is superimposed on the front side with respect to the liquid crystal panel 11 and the frame-like part 20 b of the chassis 20, and a frame-like part 20 b.
  • a touch panel body 22 position input unit body 22 that is superimposed on the front side with respect to the liquid crystal panel 11 and the frame-like part 20 b of the chassis 20, and a frame-like part 20 b.
  • it has a side portion 23 arranged to overlap the outside (the side opposite to the liquid crystal panel 11 side).
  • the side portion 23 is connected to the outer end of the touch panel body 22, protrudes from the outer end toward the back side along the Z-axis direction, and is arranged in a shape facing the outer surface of the frame-shaped portion 20 b.
  • the side part 23 is bent at a substantially right angle with respect to the touch panel main body 22 after the touch panel pattern 12 b is formed on the substrate 12 a whose entire area is flat.
  • 2 and 5 illustrate the touch panel 12 in a state before the side portion 23 is bent, and the fold line (the boundary line between the touch panel body 22 and the side portion 23) of the side portion 23 is a thick dashed line. Is indicated by If it does in this way, the boundary part of the liquid crystal panel 11 and the frame-shaped part 20b can be kept closed by the touch-panel main body 22 and the side part 23 which comprise the touch panel 12.
  • FIG. This is more suitable for suppressing light leakage.
  • the positional relationship of the touch panel 12 with respect to the liquid crystal panel 11 and the chassis 20 is stabilized by the side part 23 which overlaps with the frame-shaped part 20b.
  • the light shielding portion 21 is arranged so as to straddle the touch panel body 22 and the side portion 23. Specifically, the light shielding portion 21 is formed over the entire periphery of the outer peripheral end portion of the touch panel body 22 and is formed over the entire side portion 23. In the outer peripheral end of the touch panel body 22, the light shielding portion 21 is arranged so as to overlap with the outer peripheral end of the liquid crystal panel 11 and the frame-like portion 20 b in a plan view in addition to the boundary portion between the liquid crystal panel 11 and the frame-like portion 20 b. Has been.
  • the light-shielding portion 21 is arranged so as to straddle the touch panel body 22 and the side portion 23 that keep the boundary portion between the liquid crystal panel 11 and the frame-shaped portion 20b closed. It can suppress more suitably that the light from the clearance gap produced between 20b leaks outside. Thereby, the deterioration of display quality is suppressed more suitably.
  • the touch panel 12 includes, in addition to the touch panel pattern 12 b (touch electrode 17) described above, a touch wiring (position detection wiring, peripheral wiring) 24 whose one end is connected to the touch electrode 17, and a touch. And a terminal portion 25 connected to the other end side of the wiring 24. Both the touch wiring 24 and the terminal portion 25 are made of a metal film. One end of the touch wiring 24 is located at the end of each of the plurality of touch electrodes 17 arranged in a row along the Y-axis direction and the plurality of touch electrodes 17 arranged in a row along the X-axis direction.
  • the number of the touch wirings 24 is the sum of the number of columns of the touch electrodes 17 and the number of rows of the touch electrodes 17.
  • a plurality of terminal portions 25 are arranged side by side along the X-axis direction in the mounting region of the touch panel flexible substrate 26.
  • the plurality of touch electrodes 17 and the terminal portions 25 are both arranged on the touch panel body 22 of the touch panel 12, while some of the plurality of touch wirings 24 are arranged on the side portion 23. Has been.
  • one connected to the touch electrode 17 in a row is such that one end side portion connected to the touch electrode 17 is connected to the side portion 23 and the terminal portion 25.
  • the end side portions are respectively arranged on the touch panel body 22. Since the entire side portion 23 of the touch panel 12 is arranged in the non-touch area and the non-display area NAA, the touch area and the display are displayed by the touch wiring 24 as compared with the case where the touch wiring is exclusively arranged in the touch panel body 22. It becomes difficult to narrow the area AA. This is suitable for narrowing the frame of the liquid crystal display device 10.
  • the outer peripheral end portion 12E of the touch panel 12 includes a pair of long side end portions (end portions) 12E1 and short side end portions (end portions) 12E2.
  • the short side end portion 12E2 constitutes the side portion 23 described above.
  • the terminal portion 25 is disposed on one long side end portion 12E1 of the pair of long side end portions 12E1 in the outer peripheral end portion 12E. Therefore, the side part 23 consists of the short side edge part 12E2 adjacent to the long side edge part 12E1 in which the terminal part 25 was distribute
  • positioned turns into the side part 23 which overlaps with respect to the frame-shaped part 20b. Therefore, when the touch panel flexible substrate (component) 26 is mounted on the terminal portion 25, the mounting operation can be easily performed.
  • the light shielding portion 21 is made of a material that selectively transmits ultraviolet rays while selectively blocking visible light.
  • the translucent fixing member 18 for a touch panel made of an ultraviolet curable resin material includes a first fixing portion 18a disposed between the liquid crystal panel 11 and the touch panel body 22, a light shielding portion 21, and And a second fixing portion 18b that overlaps in a plan view and is disposed between the frame portion 20b and the side portion 23. In this way, since the light shielding unit 21 can selectively block visible light, visible light contained in the light traveling from the gap formed between the liquid crystal panel 11 and the frame-shaped part 20b to the front side. Leakage can be suppressed.
  • the translucent fixing member 18 for the touch panel is arranged in such a manner that the first fixing portion 18 a is interposed between the liquid crystal panel 11 and the touch panel body 22, and the second fixing portion 18 b is the frame-shaped portion 20 b and the side portion 23.
  • the liquid crystal panel 11 and the touch panel body 22 can be fixed, and the frame-shaped portion 20b and the side portion 23 can be fixed.
  • the touch-sensitive translucent fixing member 18 is cured, when the touch panel translucent fixing member 18 is irradiated with ultraviolet rays from the front side (finger FIN side), the ultraviolet rays are irradiated to the first fixing portion 18a.
  • the second fixing portion 18b is also irradiated by being selectively transmitted through the light shielding portion 21.
  • fixed part 18b can fully be hardened with the 1st fixing
  • fixed part 18b can be hardened collectively, it is excellent in aiming at shortening of a tact time.
  • the liquid crystal display device (display device with a position input function) 10 of this embodiment includes a liquid crystal panel (display panel) 11 that displays an image and a backlight that irradiates the liquid crystal panel 11 with light for display.
  • Position input is performed with a device (illumination device) 14 and a chassis (housing) 20 that has a frame-like portion 20b extending along the outer peripheral edge of the liquid crystal panel 11 and accommodates at least the backlight device 14.
  • a touch panel (position input unit) 12 that detects an input position by a finger FIN that is a position input body, and is arranged so as to overlap the liquid crystal panel 11 and the frame-shaped portion 20b on the finger FIN side that is the position input body.
  • the touch panel 12 includes a light shielding unit 21 disposed on the touch panel 12 so as to straddle the liquid crystal panel 11 and the frame portion 20b.
  • the liquid crystal panel 11 displays an image using the light emitted from the backlight device 14.
  • a position input is performed with a finger FIN as a position input body based on an image displayed on the liquid crystal panel 11, the input position can be detected by the touch panel 12.
  • the backlight device 14 is accommodated in a chassis 20 having a frame-like portion 20b extending so as to surround an outer peripheral end portion of the liquid crystal panel 11.
  • a gap between the liquid crystal panel 11 and the frame-like portion 20b of the chassis 20 light from the backlight device 14 may be leaked from the gap. Light that leaks out from the gap can be blocked by the light shielding portion 21 that is disposed across the liquid crystal panel 11 and the frame-shaped portion 20b.
  • the touch panel 12 is arranged so as to overlap the liquid crystal panel 11 and the frame-shaped portion 20b on the finger FIN side as a position input body, so that the protruding portion of the casing is placed on the touch panel 12 as in the past.
  • the degree of freedom in the appearance design on the finger FIN side that is the position input body with respect to the touch panel 12 is higher.
  • the touch panel 12 includes a touch panel body (position input body) 22 that is superimposed on the finger FIN side as a position input body with respect to the liquid crystal panel 11 and the frame-shaped portion 20b, and the liquid crystal panel 11 side with respect to the frame-shaped portion 20b. And at least a side portion 23 arranged to overlap the opposite side. If it does in this way, the boundary part of the liquid crystal panel 11 and the frame-shaped part 20b can be kept closed by the touch-panel main body 22 and the side part 23 which comprise the touch panel 12. FIG. This is more suitable for suppressing light leakage.
  • the positional relationship of the touch panel 12 with respect to the liquid crystal panel 11 and the chassis 20 is stabilized by the side portion 23 that overlaps the frame-shaped portion 20b on the opposite side to the liquid crystal panel 11 side.
  • the touch panel 12 is bonded and fixed to the liquid crystal panel 11 using the translucent fixing member 18 for the touch panel, but the fixed surface is all covered with the polarizing plate 11c and becomes flat. It is difficult for air bubbles to be generated at the bonding interface between the liquid crystal panel 11 and the liquid crystal panel 11, thereby making it difficult for appearance defects to occur and improving the yield.
  • the liquid crystal panel 11 has at least a display area AA for displaying an image
  • the touch panel 12 is arranged so as to overlap with the display area AA at least on the touch panel body 22 and a finger FIN as a position input body.
  • the display area AA is less likely to be narrowed by the touch wiring 24 than when the touch wiring is exclusively arranged on the touch panel body 22. This is suitable for narrowing the frame of the liquid crystal display device 10.
  • the light shielding part 21 is arranged so as to straddle the touch panel body 22 and the side part 23.
  • the light-shielding portion 21 is arranged so as to straddle the touch panel body 22 and the side portion 23 that keep the boundary portion between the liquid crystal panel 11 and the frame-shaped portion 20b closed, so that the liquid crystal panel 11 and the frame.
  • the light from the gap formed between the shape part 20b leaks to the outside and can be suppressed at a low cost without requiring a dedicated member for light shielding as in the prior art. Is more suitably suppressed.
  • the liquid crystal panel 11 has at least a display area AA for displaying an image
  • the touch panel 12 is arranged so as to overlap the display area AA and has a capacitance between the finger FIN as a position input body.
  • a terminal portion 25 connected to the end side, and the side portion 23 is a short side adjacent to a long side end portion (end portion) 12E1 in which the terminal portion 25 is arranged in the outer peripheral end portion 12E. It consists of a side end (end) 12E2.
  • positioned will overlap the side opposite to the liquid crystal panel 11 side with respect to the frame-shaped part 20b. Therefore, when the touch panel flexible substrate (component) 26 is mounted on the terminal portion 25, the mounting operation can be easily performed.
  • a touch panel translucent fixing member (translucent fixing member) 18 made of an ultraviolet curable resin material is provided, and the light shielding portion 21 selectively transmits ultraviolet rays while selectively blocking visible light.
  • the translucent fixing member 18 for the touch panel overlaps with the first fixing portion 18a disposed between the liquid crystal panel 11 and the touch panel main body 22, and the light shielding portion 21, and is a frame-shaped portion. 20b and the side part 23, and the 2nd fixing
  • the translucent fixing member 18 for the touch panel is arranged in such a manner that the first fixing portion 18 a is interposed between the liquid crystal panel 11 and the touch panel body 22, and the second fixing portion 18 b is the frame-shaped portion 20 b and the side portion 23.
  • the liquid crystal panel 11 and the touch panel body 22 can be fixed, and the frame-shaped portion 20b and the side portion 23 can be fixed.
  • the translucent fixing member 18 for touch panel is cured, if the translucent fixing member 18 for touch panel is irradiated with ultraviolet light from the finger FIN side as a position input body, the ultraviolet light is irradiated to the first fixing portion 18a.
  • the second fixed portion 18b is also irradiated by being selectively transmitted through the light shielding portion 21.
  • fixed part 18b can fully be hardened with the 1st fixing
  • fixed part 18b can be hardened collectively, it is excellent in aiming at shortening of a tact time.
  • a protective member 13 is provided so as to overlap the touch panel 12 on the finger FIN side which is a position input body.
  • the touch panel 12 can be protected by the protection member 13. Since the touch panel 12 is arranged so as to overlap with the liquid crystal panel 11 and the frame-shaped portion 20b on the finger FIN side which is a position input body, the protruding portion of the housing inputs the position to the touch panel 12 as in the past. Compared to the configuration arranged on the finger FIN side that is a body, the range of formation of the protective member 13 that is arranged on the touch panel 12 so as to overlap the finger FIN side that is a position input body is less likely to be limited. Can be made excellent.
  • Embodiment 2 A second embodiment of the present invention will be described with reference to FIG. In this Embodiment 2, what changed the structure of the translucent fixing member 118 for touchscreens is shown. In addition, the overlapping description about the same structure, operation
  • the translucent fixing member 118 for a touch panel is a first fixing part 118 a that is disposed between the liquid crystal panel 111 and the touch panel body 122 that constitutes the touch panel 112. It is set as the structure which does not have the 2nd fixing
  • the translucent fixing member 118 for the touch panel is arranged so as not to overlap with the light shielding part 121 provided in the touch panel 112. According to such a configuration, when the touch panel translucent fixing member 118 is cured, it is possible to prevent the light shielding unit 121 from blocking the ultraviolet rays (light) irradiated from the front side for curing.
  • a fixing member 27 is interposed between the frame-shaped portion 120 b of the chassis 120 and the side portion 123 constituting the touch panel 112.
  • the fixing member 27 is arranged so as to overlap the light shielding portion 121 in a plan view.
  • the fixing member 27 is made of, for example, a double-sided tape having a configuration in which an adhesive is applied to both front and back surfaces of a base material, and is fixed to both the frame-shaped portion 120b and the side portion 123, whereby the frame-shaped portion 120b and the side are fixed.
  • the part 123 is intended to be fixed. As described above, the frame-like portion 120b and the side portion 123 that are not fixed by the translucent fixing member 118 for the touch panel are fixed by the fixing member 27, thereby stably holding the side portion 123. be able to.
  • the liquid crystal panel 111 and the touch panel body 122 are disposed so as to be interposed between the liquid crystal panel 111 and the touch panel main body 122 and are not overlapped with the light shielding portion 121.
  • the translucent fixing member 118 for the touch panel is arranged so as not to overlap the light shielding portion 121, the light for curing is transmitted by the light shielding portion 121 when the translucent fixing member 118 for the touch panel is cured. Therefore, the fixing function by the translucent fixing member 118 for the touch panel can be sufficiently exhibited.
  • the fixing member 27 is arranged so as to be interposed between the frame-like portion 120b and the side portion 123. Thus, the side portion 123 can be fixed to the frame-like portion 120b, and the side portion 123 can be stably held.
  • the touch panel 212 includes a bottom overlapping portion 28 that is continuous with the side portion 223 in addition to the touch panel body 222 and the side portion 223.
  • the pair of side portions 223 provided in the touch panel 212 extends from the outer end portion of the touch panel body 222 toward the back side along the Z-axis direction and faces the entire height region of the frame-shaped portion 220b of the chassis 220.
  • the bottom overlapping portion 28 is connected to the front end of the pair of side portions 223 extending from the touch panel body 222, and overlaps the back side of the chassis 220 with respect to the bottom 220a (the side opposite to the backlight device 214 side). It is arranged in a form.
  • the touch panel 212 is folded as a whole by being folded at a boundary position between the touch panel body 222 and the side portion 223 and a boundary position between the side portion 223 and the bottom overlapping portion 28, for example, at a substantially right angle.
  • a cross-sectional shape is formed.
  • the bent portion of the touch panel 212 may be curved in an arc shape (curved shape).
  • the bottom portion 220a of the chassis 220 is arranged so as to be continuous with the end portion on the back side of the frame-like portion 220b and overlap the back side (the side opposite to the liquid crystal panel 211 side) with respect to the backlight device 214.
  • the touch panel translucent fixing member 218 is disposed in a form interposed between the bottom 220a of the chassis 220 and the bottom overlapping portion 28 of the touch panel 212 in addition to the first fixing part 218a and the second fixing part 218b.
  • Three fixing portions 18c are provided.
  • the bottom overlapping portion 28 bent with respect to the side portion 223 by the third fixing portion 18 c can be fixed to the bottom portion 220 a of the chassis 220.
  • the touch panel 212 since the fixed range of the touch panel 212 with respect to the chassis 220 is expanded by the bottom overlap portion 28, the touch panel 212 may be peeled off from the chassis 220 due to a springback or the like generated by bending the substrate 212a of the touch panel 212. It becomes difficult to occur.
  • the light shielding part 221 is arranged so as to straddle the touch panel body 222, the side part 223, and the bottom overlapping part 28.
  • the light shielding portion 221 is formed over the entire circumference of the outer peripheral end portion of the touch panel body 222 and is formed over the entire region of the side portion 223 and the bottom overlapping portion 28. Accordingly, the portion of the light shielding portion 221 disposed on the side portion 223 covers the frame-shaped portion 220b of the chassis 220 from the side, while the portion of the light shielding portion 221 disposed on the bottom overlapping portion 28 is the chassis portion.
  • the outer peripheral end of the bottom 220a of 220 is covered from the back side.
  • the light shielding performance by the light shielding unit 221 is further enhanced. Specifically, for example, even when light transmitted through the side portion 223 of the touch panel 212 or light transmitted between the side portion 223 and the frame-shaped portion 220b of the chassis 220 reaches the bottom overlapping portion 28, the light is disposed there. Light leakage can be prevented by the light shielding portion 221. Furthermore, even if a gap is generated between the bottom 220a of the chassis 220 and the frame-like portion 220b, and light leaks from the gap, the light shielding portion 221 can block the light. As described above, it is possible to more suitably suppress the occurrence of leakage light.
  • the touch wiring 224 provided in the touch panel 212 includes a part of which is arranged on the side part 223 and the bottom overlapping part 28 as shown in FIG. Specifically, among the plurality of touch wirings 224, one connected to the touch electrode 217 forming a row has one end side portion connected to the touch electrode 217 at the side portion 223 and the bottom overlapping portion 28, and the terminal portion 225. The other end portion connected to the touch panel body 222 is disposed on the touch panel body 222. The entire side of the side part 223 and the bottom overlapping part 28 of the touch panel 212 is arranged in the non-touch area and the non-display area NAA.
  • the touch wiring 224 is made of a translucent conductive film formed on the front surface of the base material 212a of the touch panel 212. As shown in FIG. 9, the light shielding portion 221 is provided on the front side surface of the base material 212 a of the touch panel 212, and at least a portion of the touch wiring 224 disposed on the side portion 223 and the bottom overlapping portion 28 is provided. Covering.
  • the light shielding portion 221 functions as a protective film for the touch wiring 224 by preventing the touch wiring 224 from being directly exposed to the outside. This makes it difficult for the touch wiring 224 to be disconnected due to interference from an external foreign object or the like, which is suitable for improving the reliability related to the function of detecting the input position.
  • the chassis 220 has the bottom portion 220a that is connected to the frame-like portion 220b and overlaps the backlight device 214 on the side opposite to the liquid crystal panel 211 side.
  • the touch panel 212 includes at least a bottom overlapping portion 28 that is connected to the side portion 223 and overlaps the bottom 220a on the side opposite to the backlight device 214 side.
  • the backlight device 214 accommodated in the chassis 220 is surrounded by the bottom part 220a and the frame-like part 220b.
  • the touch panel 212 is arranged in such a manner that the bottom overlapping portion 28 connected to the side portion 223 overlaps the bottom 220 a of the chassis 220 on the side opposite to the backlight device 214 side.
  • the light shielding part 221 is arranged so as to straddle the touch panel body 222, the side part 223, and the bottom overlapping part 28. In this way, the light shielding performance by the light shielding unit 221 is further improved, and thus the occurrence of leakage light can be more suitably suppressed.
  • the liquid crystal panel 211 has at least a display area AA for displaying an image
  • the touch panel 212 is arranged so as to overlap at least the display area AA on the touch panel body 222 and a finger FIN as a position input body.
  • Touch electrode 217 that forms a capacitance therebetween
  • at least a touch wiring 224 that is disposed on at least the side portion 223 and the bottom overlapping portion 28 and is connected to the touch electrode 217, and the light shielding portion 221 includes
  • the touch wiring 224 is covered in the side part 223 and the bottom overlapping part 28.
  • the display area AA is less likely to be narrowed by the touch wiring 224 as compared with a case where the touch wiring is exclusively arranged on the touch panel body 222.
  • the touch wiring 224 is covered with the light shielding portion 221 in the side portion 223 and the bottom overlapping portion 28, so that the touch wiring 224 can be protected in the side portion 223 and the bottom overlapping portion 28. This is suitable for improving the reliability of the function of detecting the input position while narrowing the frame of the liquid crystal display device 210.
  • Embodiment 4 A fourth embodiment of the present invention will be described with reference to FIG. In this Embodiment 4, what changed the arrangement
  • the light shielding part 321 is provided on the back surface of the base material 312a of the touch panel 312 as shown in FIG. That is, the light-shielding part 321 is provided on the side 323 and the bottom overlapping part 328 on the surface facing the frame-like part 320b and the bottom part 320a of the chassis 320, and the base material 312a of the touch panel 312 and the side part 323 and the bottom part are provided. It is interposed between the overlapping portion 328. Thereby, the opposing surfaces of the base material 312a of the touch panel 312 to the frame-shaped portion 320b and the bottom portion 320a can be protected by preventing direct contact with the frame-shaped portion 320b and the bottom portion 320a.
  • the touch electrodes and the touch wirings (see FIG. 8) constituting the touch panel pattern are provided on the back surface of the base material 312a of the touch panel 312, the light shielding portion 321 is provided. As a result, at least a portion of the touch wiring disposed on the side portion 323 and the bottom overlapping portion 328 is covered. As a result, the touch wiring is less likely to be disconnected, which is suitable for improving the reliability related to the function of detecting the input position.
  • the light shielding portion 321 is provided on the side surface 323 and the bottom overlapping portion 328 facing the frame-like portion 320b and the bottom portion 320a.
  • the light shielding portion 321 can protect the surfaces of the side portion 323 and the bottom overlapping portion 328 of the touch panel 312 facing the frame-like portion 320b and the bottom portion 320a of the chassis 320.
  • the side part 323 and the bottom overlapping part 328 come into contact with the frame-like part 320b and the bottom part 320a, it is difficult to receive damage or the like.
  • Embodiment 5 A fifth embodiment of the present invention will be described with reference to FIG. In this Embodiment 5, what combined above-mentioned Embodiment 3, 4 is shown. In addition, the overlapping description about the same structure, an effect
  • the light shielding unit 421 is provided on each of the front side surface and the back side surface of the base material 412 a of the touch panel 412.
  • the pair of front and back light shielding portions 421 are arranged so as to straddle the touch panel body 422, the side portion 423, and the bottom overlapping portion 428 in the touch panel 412, and the formation ranges thereof are substantially the same.
  • the light shielding part 421 provided on the front side surface of the base material 412a of the touch panel 412 has the same configuration as the light shielding part 221 described in the above-described third embodiment. Can be achieved.
  • the light shielding part 421 provided on the back side surface of the base material 412a of the touch panel 412 has the same configuration as that of the light shielding part 321 described in the fourth embodiment, and the chassis 420 of the base material 412a of the touch panel 412 is included.
  • the opposing surfaces of the frame-shaped part 420b and the bottom part 420a can be protected.
  • the same effect as described in each of the third and fourth embodiments can be obtained.
  • illustration is omitted in the present embodiment, the touch electrode and the touch wiring (see FIG.
  • the touch panel pattern constituting the touch panel pattern are either one of the front side surface and the back side surface of the base material 412a of the touch panel 412 or If both are provided, the light shielding portion 421 covers at least a portion of the touch wiring disposed on the side portion 423 and the bottom overlapping portion 428. As a result, the touch wiring is less likely to be disconnected, which is suitable for improving the reliability related to the function of detecting the input position.
  • the present invention is not limited to the embodiments described with reference to the above description and drawings.
  • the following embodiments are also included in the technical scope of the present invention.
  • the specific formation range of the light shielding portion in the touch panel can be changed as appropriate.
  • the light shielding portion may be selectively disposed only on the touch panel body of the touch panel and not formed on the side portion.
  • the light shielding portion may be disposed on the rear surface of the touch panel.
  • the pair of short-side end portions of the outer peripheral end portion of the touch panel is bent into a pair of side portions.
  • the pair of long side end portions may be bent into a pair of side portions.
  • arbitrary one end part, two edge parts, and three edge parts among the edge parts of 4 sides which comprise the outer peripheral edge part of a touch panel may be bend
  • all of the end portions of the four sides constituting the outer peripheral end portion of the touch panel may be bent to be side portions.
  • the translucent fixing member for touch panels and the translucent fixing member for protective members consisted of an ultraviolet curable resin material
  • the translucent fixing member and protective member for touch panels were shown.
  • a material for the translucent fixing member for use it is also possible to use a photocurable resin material, a thermosetting resin material, or a non-curable adhesive material that is cured by light having a wavelength other than ultraviolet rays such as visible light. .
  • the liquid crystal display device including the protective member has been described. However, the protective member may be omitted.
  • the planar shape of the liquid crystal display device (liquid crystal panel or backlight device) is a horizontally long square is shown.
  • the planar shape of the liquid crystal display device is a vertically long square, square, An oval shape, an elliptical shape, a circular shape, a trapezoidal shape, a shape having a partially curved surface, or the like may be used.
  • (11) In each of the above-described embodiments, the case where a liquid crystal panel is used as the display panel has been described. However, a MEMS (Micro Electro Mechanical Systems) display panel or the like can be used as the display panel.
  • MEMS Micro Electro Mechanical Systems
  • the touch electrode is formed by patterning the light-transmitting conductive film.
  • the touch electrode is formed by patterning a light-shielding metal film into a fine mesh.
  • (13) In the above-described third to fifth embodiments, the case where the bottom overlapping portion is connected to the pair of side portions formed by bending the pair of short side end portions of the outer peripheral end portions of the touch panel is shown. A configuration may also be adopted in which the bottom overlapping portion is connected to a pair of side portions formed by bending a pair of long side end portions of the outer peripheral end portions of the touch panel.
  • the bottom overlapping portion is connected to the side portion formed by bending any one end, two ends, and three ends. It doesn't matter. Furthermore, the bottom overlapping portion may be connected to the side portion formed by bending all the end portions of the four sides constituting the outer peripheral end portion of the touch panel. (14) In the above third to fifth embodiments, the case where the light shielding portion is provided over the entire area of the bottom overlapping portion has been described. However, the light shielding portion may be provided in a part of the bottom overlapping portion.
  • the light-shielding portion is arranged so as to straddle the boundary portion between the side portion and the bottom overlapping portion, but this is not necessarily the case, and the specific formation range and arrangement of the light-shielding portion can be changed as appropriate. is there.
  • the fifth embodiment described above the case where the formation ranges of the light shielding portions provided on the front and back sides of the touch panel substantially coincide with each other is illustrated. However, the light shielding portions provided on the front side of the touch panel and the back sides of the touch panel are provided. The formation range may be different between the light shielding portion and the light shielding portion.
  • the translucent fixing member for touch panel is provided over almost the entire area of the touch panel, but the translucent fixing member for touch panel is not formed on a part of the touch panel. It may be said.
  • the light-transmitting property for the touch panel is provided at two bent portions (the boundary portion between the touch panel body and the side portion and the boundary portion between the side portion and the bottom portion overlapping portion) at each of the short side end portions of the touch panel.
  • the fixing member can be non-formed. This makes it easier to bend the touch panel.
  • the non-formation part of the translucent fixing member for touch panels among touch panels it is possible to ensure the fixing force of the touch panel with respect to a chassis by sticking a fixing tape separately from the outer side of a touch panel.
  • This fixing tape can be used even when a translucent fixing member for a touch panel is provided over almost the entire area of the touch panel.
  • the touch panel pattern may be made of a mesh-like metal film. By using the mesh-like metal film, the wiring resistance of the touch panel pattern can be reduced to improve the touch sensitivity, and the translucency of the touch panel pattern can be sufficiently ensured.
  • the touch panel pattern may be a laminated structure of a transparent electrode film and a mesh-like metal film.
  • SYMBOLS 10,210 Liquid crystal display device (display apparatus with a position input function) 11, 111, 211 ... Liquid crystal panel (display panel), 12, 112, 212, 312, 412 ... Touch panel (position input part), 12E ... Outer peripheral side End, 12E1 ... Long side end (end), 12E2 ... Short side end (end), 13 ... Protection member, 14, 214 ... Backlight device (illumination device), 17, 217 ... Touch electrode (Position detection electrode), 18, 118, 218 ... translucent fixing member for touch panel (translucent fixing member), 18a, 118a, 218a ... first fixing portion, 18b, 218b ... second fixing portion, 19 ...
  • Translucent fixing member for member, 20, 120, 220, 320, 420 ... chassis (housing), 20a, 220a, 320a, 420a ... bottom, 20b, 120b, 320b, 420b ... frame Part, 21, 121, 221, 321, 421 ... light-shielding part, 22, 122, 222, 422 ... touch panel body (position input part body), 23, 123, 223, 323, 423 ... side part, 24, 224 ... touch Wiring (position detection wiring), 25, 225 ... terminal portion, 27 ... fixing member, 28, 328, 428 ... bottom overlapping portion, AA ... display area, FIN ... finger (position input body)

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)

Abstract

Dans la présente invention, un dispositif d'affichage à cristaux liquides (10) comprend : un panneau à cristaux liquides (11) servant à afficher des images ; un dispositif de rétroéclairage (14) permettant de projeter de la lumière sur le panneau à cristaux liquides (11) pour l'affichage ; un châssis (20) ayant une partie en forme de cadre (20b) qui s'étend le long des extrémités périphériques externes du panneau à cristaux liquides (11), et contenant au moins le dispositif de rétroéclairage (14) ; un panneau tactile (12) détectant une position d'entrée à partir d'un doigt (FIN), qui est un corps d'entrée de position destiné à effectuer une entrée de position, ledit panneau tactile (12) étant agencé de façon à chevaucher le panneau à cristaux liquides (11) et la partie en forme de cadre (20b) sur le côté corps d'entrée de position (doigt (FIN)) ; et une partie de protection contre la lumière (21) disposée sur le panneau tactile (12) de façon à couvrir le panneau à cristaux liquides (11) et la partie en forme de cadre (20b).
PCT/JP2018/020730 2017-06-06 2018-05-30 Dispositif d'affichage pourvu d'une fonction d'entrée de position Ceased WO2018225603A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2017-111459 2017-06-06
JP2017111459 2017-06-06
JP2017196859 2017-10-10
JP2017-196859 2017-10-10

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Cited By (3)

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Publication number Priority date Publication date Assignee Title
WO2020189095A1 (fr) * 2019-03-15 2020-09-24 株式会社デンソー Revêtement d'écran, écran et procédé de fabrication d'un revêtement d'écran
US20210202901A1 (en) * 2019-12-31 2021-07-01 Lg Display Co., Ltd. Display device
WO2021199808A1 (fr) * 2020-03-31 2021-10-07 富士フイルム株式会社 Panneau tactile et film conducteur

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JP2014157400A (ja) * 2013-02-14 2014-08-28 Dainippon Printing Co Ltd 画像表示装置
JP2015158840A (ja) * 2014-02-25 2015-09-03 富士フイルム株式会社 タッチパネルおよび導電性フィルムシート
JP2015168601A (ja) * 2014-03-07 2015-09-28 凸版印刷株式会社 ガラス基板、タッチパネルセンサー基板および座標検出機能付き画像表示装置
JP2016192005A (ja) * 2015-03-31 2016-11-10 グンゼ株式会社 タッチパネルおよびその製造方法

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US20140104185A1 (en) * 2012-10-15 2014-04-17 Htc Corporation Touch display device and handheld electronic device
JP2014157400A (ja) * 2013-02-14 2014-08-28 Dainippon Printing Co Ltd 画像表示装置
JP2015158840A (ja) * 2014-02-25 2015-09-03 富士フイルム株式会社 タッチパネルおよび導電性フィルムシート
JP2015168601A (ja) * 2014-03-07 2015-09-28 凸版印刷株式会社 ガラス基板、タッチパネルセンサー基板および座標検出機能付き画像表示装置
JP2016192005A (ja) * 2015-03-31 2016-11-10 グンゼ株式会社 タッチパネルおよびその製造方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020189095A1 (fr) * 2019-03-15 2020-09-24 株式会社デンソー Revêtement d'écran, écran et procédé de fabrication d'un revêtement d'écran
JPWO2020189095A1 (ja) * 2019-03-15 2021-11-18 株式会社デンソー ディスプレイカバー、表示ユニット及びディスプレイカバーの製造方法
JP7073577B2 (ja) 2019-03-15 2022-05-23 株式会社デンソー 表示ユニット
US20210202901A1 (en) * 2019-12-31 2021-07-01 Lg Display Co., Ltd. Display device
US12041810B2 (en) * 2019-12-31 2024-07-16 Lg Display Co., Ltd. Display device including rear surface metal deposition film
WO2021199808A1 (fr) * 2020-03-31 2021-10-07 富士フイルム株式会社 Panneau tactile et film conducteur

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