WO2004040354A1 - 表示装置及び電子機器 - Google Patents
表示装置及び電子機器 Download PDFInfo
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- WO2004040354A1 WO2004040354A1 PCT/JP2003/013554 JP0313554W WO2004040354A1 WO 2004040354 A1 WO2004040354 A1 WO 2004040354A1 JP 0313554 W JP0313554 W JP 0313554W WO 2004040354 A1 WO2004040354 A1 WO 2004040354A1
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- Prior art keywords
- light
- light emitting
- pixels
- emitting element
- emitting device
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/34—Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. 3D slide viewers
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/30—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving parallax barriers
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B35/00—Stereoscopic photography
- G03B35/18—Stereoscopic photography by simultaneous viewing
- G03B35/24—Stereoscopic photography by simultaneous viewing using apertured or refractive resolving means on screens or between screen and eye
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
- H04N13/305—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using lenticular lenses, e.g. arrangements of cylindrical lenses
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
- H04N13/307—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using fly-eye lenses, e.g. arrangements of circular lenses
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
- H04N13/31—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using parallax barriers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/356—Image reproducers having separate monoscopic and stereoscopic modes
- H04N13/359—Switching between monoscopic and stereoscopic modes
Definitions
- the present invention relates to a display device using a light emitting device capable of switching display between a two-dimensional image and a three-dimensional image.
- the light-emitting device includes a panel in which a light-emitting element is sealed, and a module in which an IC or the like including a controller is mounted on the panel. Further, the present invention relates to an electronic device using the display device. Background art
- the three-dimensional eyes of the human eye Images can be recognized.
- Various display devices for stereoscopic images using the principle of binocular vision have been developed.
- the display devices for stereoscopic video are roughly classified into a type using special glasses for stereoscopic vision and a type not using special glasses.
- a display device for a stereoscopic image of a direct-view type without using glasses uses a parallax barrier (parallax barrier), a lenticular lens or a microlens array (fly-eye lens) or the like to transmit light from pixels. By controlling the direction of travel, different images are projected to the left and right eyes to obtain a stereoscopic effect.
- parallax barrier parallax barrier
- lenticular lens lenticular lens
- microlens array focal-eye lens
- Patent Document 1 discloses a technique for displaying a stereoscopic image by using a parallax barrier so that the right eye displays an image for the right eye and the left eye displays an image for the left eye. Have been.
- a parallax barrier 144 is arranged between the observer and the liquid crystal panel 1401. Also, a light guide plate 144 is provided on the opposite side of the liquid crystal panel 1401 to the observer, and light emitted from the light source 144 is conducted inside the light guide plate 144. Then, the liquid crystal panel 1401 is irradiated.
- two pixels adjacent to each other in the direction connecting both eyes of the liquid crystal panel 1401 are used for the left eye and the right eye, respectively.
- the pixel for the left eye displays the image (image) that would be obtained when viewed from the left eye
- the pixel for the right eye displays the image (image R) that would be obtained when viewed from the right eye .
- part of the light emitted from the light guide plate 144 passes through each pixel of the liquid crystal panel, and then passes through the aperture 1402 of the parallax spear 1403, and the eyes of the observer Incident on.
- the pixel for the right eye can be obtained. It is possible to make light from the right eye only and light from the left eye pixel only to the left eye. As a result, a stereoscopic video formed from the image L and the image R can be recognized by the observer.
- Non-Patent Document 1 Naoki Tanaka, "Liquid crystal display that sells more PC ⁇ keitai”, Nikkei Micro Devices, October 1, Japan, Nikkei Business Publications, Japan, published on October 1, 2010, No. 208, pages 91-96.
- a light guide plate 164 is provided further behind the polarizing plate 166 as viewed from the observer.
- Light emitted from the light source 1605 is transmitted inside the light guide plate 1604 and is irradiated to the polarizing plate 1606.
- the polarizing plate 1606 transmits a predetermined polarization of the irradiated light.
- the transmitted light is incident on the switching liquid crystal 1603.
- the retardation plate 1602, the switching liquid crystal 1603 and the polarizing plate 1606 can be combined to function as a parallax barrier.
- the light transmitted through the phase difference plate 16 02 passes through the liquid crystal panel 16 Q 1, so that light from pixels for the right eye is transmitted only to the right eye and light from pixels for the left eye is transmitted to the left eye. It is possible to make it incident only on. As a result, the viewer can recognize the stereoscopic image formed from the image L and the image R.
- the switching liquid crystal 16 Do not rotate the plane of polarization. Therefore, about half of the polarized light transmitted through the polarizing plate uniformly transmits through the two regions of the phase difference plate 1602. According to the above configuration, images of all pixels can be projected on both eyes of the observer, and unlike the Patent Document 1, a two-dimensional image can be recognized without sacrificing half the resolution.
- Non-Patent Document 1 since a switching liquid crystal must be provided in addition to the liquid crystal panel, the display device itself is bulky and hinders the reduction in thickness. Disclosure of the invention
- the present invention provides a display device that can display a three-dimensional image without reducing the resolution when displaying a two-dimensional image, and that can prevent the device itself from becoming bulky. Providing is an issue.
- an image is displayed using a light-emitting panel (hereinafter, simply referred to as a panel) using light-emitting elements as display elements instead of a liquid crystal panel. Since the light-emitting element emits light by itself, there is no need to provide a light source, unlike when using a liquid crystal panel. Therefore, it is not necessary to use backlight components, such as a light source and a light guide plate, which hinder the thinning of the display device. Further, an electrode having a property of transmitting light (transmitting light) is used as an anode and a cathode of the light-emitting element. That is, light from the light emitting element is emitted from both sides of the panel.
- FIG. 1 schematically shows the configuration of the display device of the present invention.
- 101 is a side view of a panel in which a light-emitting element is sealed, and has a plurality of pixels for displaying an image.
- 102 controls the direction of light emitted from the pixel
- One side of the panel is used to display a two-dimensional image, and the other side is used to display a three-dimensional image.
- a three-dimensional image can be viewed as shown in FIG. 1 (B). Also, when viewed from the direction indicated by the solid arrow, a two-dimensional image can be seen on the surface opposite to the surface on which the three-dimensional image is displayed as shown in Fig. 1 (C).
- a desired contrast can be maintained by providing a means 103 for blocking light incident on the other surface (hereinafter referred to as a shielding means). it can.
- the shielding means 103 is not always formed separately from the panel 101, but may be formed inside the panel. Further, the shielding means 103 is not always included in the configuration of the display device of the present invention. If the contrast is not always important, the shielding means 103 may not be provided. Further, in an electronic device using the display device as one of the components, a device that can be substituted for the shielding means 103 may be provided, and the display device may be used to maintain the contrast.
- the scanning direction is different on both sides of the panel, when switching the image from 2D to 3D or from 3D to 2D, at least the scanning direction in the horizontal direction is reversed.
- the panel may be either an active matrix type or a passive matrix type.
- FIG. 1 is a diagram showing a configuration of a display device of the present invention.
- FIG. 2 is a perspective view of the display device of the present invention.
- Figure 3 is a diagram showing the positional relationship between the panel, optical system, shielding means, and both eyes when displaying a three-dimensional image.
- FIG. 4 is a diagram showing the positional relationship between the panel, the optical system, the shielding means, and both eyes when displaying a two-dimensional image.
- FIG. 6 is a diagram showing a configuration of a panel provided with shielding means.
- FIG. 7 is a diagram showing a configuration of a panel provided with shielding means.
- FIG. 8 is a diagram showing switching of the running direction.
- FIG. 9 is a diagram of an electronic device capable of inverting a display device.
- FIG. 10 is a perspective view of a lenticular lens and a microlens array.
- FIG. 11 is a diagram showing a positional relationship among a lenticular lens, a panel, a shielding means, and both eyes when displaying a three-dimensional image.
- FIG. 12 is a circuit diagram of an analog drive signal line drive circuit capable of switching the scanning direction.
- FIG. 14 is a circuit diagram of a scanning line driving circuit capable of switching the scanning direction.
- FIG. 15 is a diagram showing a positional relationship between a liquid crystal panel, an optical system, and both eyes when displaying a three-dimensional image in a conventional example.
- FIG. 18 is a diagram showing a positional relationship between a liquid crystal panel, an optical system, and both eyes when displaying a two-dimensional image in a conventional example.
- FIG. 19 is a diagram showing a configuration of a hinge.
- FIG. 20 is a diagram of a mobile phone that can display a three-dimensional image using a random dot stereogram.
- FIG. 21 is a diagram illustrating a configuration of a light emitting element.
- FIG. 22 is an external view of a module in which a controller and a power supply circuit are mounted on a panel.
- FIGS. 2A and 2B show the configuration of the display device of the present invention.
- Figure 2 (A) is a view from the side displaying 3D video
- Figure 2 (B) is a view from the side displaying 2D video.
- Figure 2 (A) and Figure 2 (B) are in front and back.
- the arrow indicates the direction of the line of sight from the observer to the panel when viewing a three-dimensional image.
- FIG. 2 (B) the arrow indicates the direction of the line of sight from the observer to the panel when viewing a two-dimensional image.
- FIG. 3 shows one row of pixels 203 in a direction connecting both eyes among a plurality of pixels included in the panel 201.
- FIG. 3 shows an example in which parallax sparia is used for the optical system 202, and 204 denotes an aperture provided in the parallax barrier 202.
- the longitudinal direction of the aperture 204 coincides with a direction perpendicular to the direction connecting both eyes in a plane parallel to the panel 201.
- the parallax barrier 202 is provided between the observer's both eyes and the panel 201.
- the contrast of the panel 201 can be increased by providing the shielding means 205 when displaying a two-dimensional image in the same manner as when displaying a three-dimensional image.
- the shielding means 205 is provided further on the other side of the panel 201 as viewed from the observer.
- the contrast of the panel 201 can be increased.
- a shielding means that can further suppress the reflection of light in addition to shielding the light, the contrast of the image can be further enhanced.
- FIG. 5 illustrates an electronic organizer corresponding to one mode of an electronic device using the display device of the present invention.
- FIG. 5A is a perspective view of the electronic organizer.
- two housings 501 and 502 and a display device 503 of the present invention are connected by a hinge 504, and can be rotated around the hinge 504. It is.
- the housings 501 and 502 are provided with keys 505 for various operations.
- the surface of the housings 501 and 502 on the side of the display device 502 is formed of a material capable of blocking light, and it is desired to increase the contrast of the display device 502. Can be used as shielding means.
- video switching on the display device 503 can be automatically switched based on the angle 0 between the display device and the housing 501 or 502 at the hinge 504.
- FIG. 19 an example of the configuration of the hinge 504 in the case where video switching is automatically performed according to the angle between the housing 501 and the display device 503 will be described.
- FIG. 19 shows a cross-sectional view of the hinge 504 of the electronic organizer of this embodiment.
- the cross section of 8 has a shape in which a part of a circle is missing.
- the housings 501 and 502 are connected to a rotating section 506 at hinges 504.
- the rotating section 506 can be rotated with the rotating shaft 508 as a main axis, and the angle ⁇ between the housing 501 and the display device 503 is determined by the rotating angle of the rotating section 506.
- a button 507 is provided.
- the angle 0 can be recognized based on whether or not the button 507 is in contact with the arc portion of the rotation axis 508.
- the rotating shaft 508 is in contact with the button 507.
- the button 507 is separated from the rotating shaft 508.
- FIG. 6A shows one mode of a cross-sectional view of the panel.
- the cross-sectional view shown in FIG. 6 (A) simply shows the positional relationship between the light emitting element, the substrate, and the shielding film.
- an insulating film, a conductive film, a wiring, a transistor, a capacitor, and the like are provided according to panel specifications, but are omitted in FIG. 6A.
- a light-emitting element 600 is formed by an anode 602, a cathode 603, and an electroluminescent layer 604 provided between the anode 602 and the cathode 603.
- both the anode 602 and the cathode 603 are formed of translucent electrodes.
- the light-emitting element 600 is sealed between two light-transmitting substrates 605 and 606.
- a shielding film 607 corresponding to the shielding means is provided between the substrate 605 and the anode 602, and a shielding film 608 corresponding to the shielding means is also provided between the substrate 606 and the cathode 603. It is formed.
- the shielding film 607 blocks light emitted from a half region of the light emitting element provided in the pixel, and the shielding film 608 blocks light emitted from the other half region.
- FIG. 6 shows an example in which the shielding films 607 and 608 are interposed between the substrates 605 and 606, the present invention is not limited to this structure. Either or both of the shielding films 607 and 608 may be provided on the side of the substrates 605 and 606 opposite to the side on which the light emitting elements are provided. However, providing a shielding film closer to the light emitting element can more reliably suppress light transmission.
- FIG. 6A shows a structure in which each of the two shielding films 607 and 608 shields a half region of the light-emitting element; however, the present invention is not limited to this.
- the brightness of a three-dimensional image is lower than the brightness of a two-dimensional image.
- the balance of the area of the shielding film may be adjusted so that more light is emitted to the side on which the three-dimensional image is displayed, and the balance of both luminances may be measured.
- FIG. 6B shows a circuit diagram of a pixel used in a normal panel.
- FIG. 6 (C) shows an example of a top view of the pixel shown in FIG. 6 (B) in the case where a shielding film is provided.
- a voltage is applied to the opposing electrode of the light emitting element 6 12 and the power supply line Vi from a power supply.
- the voltage difference between the common electrode and the power supply line is maintained at such a value that a forward bias voltage is applied to the light emitting element when the transistor 611 is turned on.
- One of the two electrodes of the storage capacitor 613 is connected to the power supply line Vi. And the other is connected to the gate of transistor 611.
- the storage capacitor 613 is provided to hold the gate voltage of the transistor 611 when the transistor 610 is in a non-selected state (off state). Note that FIG. 6B shows a configuration in which the storage capacitor 613 is provided, but the present invention is not limited to this configuration, and a configuration in which the storage capacitor 613 is not provided may be employed.
- the transistor 61 When the transistor 61 is turned on by the potential of the scanning line Gj, the potential of the video signal input to the signal line S i is applied to the gate of the transistor 61.
- the gate voltage (voltage difference between the gate and the source) of the transistor 611 is determined according to the potential of the input video signal. Then, a drain current of the transistor 611 flowing by the gate voltage is supplied to the light-emitting element 612, and the light-emitting element 612 emits light by the supplied current.
- reference numeral 614 denotes a pixel electrode, and a region surrounded by a broken line in the pixel electrode 614 is an electroluminescent layer (not shown), a pixel electrode 614 and a cathode (not shown). ) And an overlapping area, which corresponds to the light emitting element 6 12.
- the 6 15 and 6 16 are shielding films.
- the shielding film 6 15 is provided on the light emitting element 6 12, and the shielding film 6 16 is provided below the light emitting element.
- the shielding film 615 shields half the area where light emission of the light emitting element can be obtained, and the shielding film 161 shields the remaining area.
- a shielding film 700 is formed.
- the shielding film 7007 blocks light emitted from a half area of the light emitting element provided in the pixel, and the shielding film 7008 blocks light emitted from the other half area.
- FIG. 6 shows an example in which the shielding films 700 and 708 are interposed between the substrates 705 and 706; however, the present invention is not limited to this structure. Either or both of the shielding films 700 and 708 may be provided on the side of the substrate 705 and 706 opposite to the side on which the light emitting element is provided. . However, providing a shielding film closer to the light emitting element can more reliably suppress light transmission.
- the amount of light transmitted through the panel can be suppressed, and the contrast can be increased.
- FIG. 23 shows a configuration in which the two shielding films 707 and 708 each shield half a region of the light-emitting element; however, the present invention is not limited to this.
- the brightness of a three-dimensional image is lower than the brightness of a two-dimensional image.
- the balance of the area of the shielding film may be adjusted so that more light is emitted to the side on which the three-dimensional image is displayed, and the balance of both luminances may be measured.
- FIG. 7A shows one mode of a cross-sectional view of the panel. Note that the cross-sectional view shown in FIG. 7A simply shows the positional relationship between the light-emitting element, the substrate, and the shielding film, as in the case of FIG. 6A. Actually, in addition to these, insulating films, conductive films, wiring, transistors, capacitors, etc. are provided according to the panel specifications, but are omitted in FIG. 7 (A).
- two light-emitting elements 71 1 and 70 2 are provided in one pixel.
- the light-emitting element 701 has an anode 703 and the light-emitting element 702 has an anode 704. Further, the two light-emitting elements 701 and 702 share the electroluminescent layer 705 and the cathode 706, and the electroluminescent layer 705 is provided between the anode 703 and the cathode 706. An electroluminescent layer 705 is provided between the anode 704 and the cathode 706.
- the electroluminescent layer and the cathode need not always be shared. Further, in FIG. 7A, the anodes are individually provided for the two light-emitting elements, but a configuration may be adopted in which the anodes are shared and the cathodes are individually provided.
- the anodes 703 and 704 and the cathode 706 are all formed of translucent electrodes.
- the light-emitting elements 70 1 and 70 2 are sealed between two light-transmitting substrates 7 07 and 7 08.
- one or both of the shielding films 709 and 7010 is provided on the side of the substrate 707 or 708 on which the light emitting element is provided. It may be provided on the side opposite to. However, providing a shielding film closer to the light emitting element can more reliably suppress light transmission.
- the amount of light transmitted through the panel can be suppressed, and the contrast can be increased.
- a three-dimensional image and the The luminance of the two-dimensional image may be balanced.
- FIG. 7B shows a circuit diagram of a pixel having the structure shown in FIG. 7A as an example.
- One of a source and a drain of the transistor 71 1 is connected to a power supply line V ai (i ⁇ 1 ⁇ ), and the other is connected to a pixel electrode of the light emitting element 71 2.
- Each of the light-emitting elements 712 and 722 includes an anode and a cathode, and an electroluminescent layer provided between the anode and the cathode.
- the anode When the anode is connected to the source or drain of the transistor 71 1 or 72 1, the anode serves as a pixel electrode and the cathode serves as a counter electrode.
- the cathode when the cathode is connected to the source or drain of the transistor 71 1 or 72 1, the cathode serves as a pixel electrode and the anode serves as a counter electrode.
- both the anode and the cathode are formed of electrodes that transmit light.
- the light-emitting elements 71 and 72 are individually provided with anodes used as pixel electrodes.
- the storage capacitor 713 is provided to hold the gate voltages of the transistors 711 and 721 when the transistor 710 is in a non-selected state (off state).
- FIG. 7B illustrates the structure in which the storage capacitor 711 is provided; however, the present invention is not limited to this structure, and a structure in which the storage capacitor 713 is not provided may be employed.
- the transistor 7110 When the transistor 7110 is turned on by the potential of the scanning line Gj, the potential of the video signal input to the signal line S ⁇ is applied to the gates of the transistors 711 and 721. available.
- the gate voltage (voltage difference between the gate and the source) of the transistors 71 1 and 72 1 is determined according to the potential of the input video signal. Then, the drain current of one of the transistors 71 1 and 72 1 is supplied to the corresponding light emitting element 71 2 or 72 2 by the gate voltage, and the drain current of the light emitting element 71 2 or 72 2 Either one emits light by the supplied current and the other is turned off.
- the power consumption of the panel can be reduced as compared with the panel illustrated in FIG.
- the transistor used in the display device of the present invention may be a transistor formed using single crystal silicon, or may use polycrystalline silicon, microcrystalline silicon (semi-amorphous silicon), or amorphous silicon. It may be a thin film transistor. Further, a transistor using an organic semiconductor may be used.
- the electroluminescent layer is a layer containing an electroluminescent material capable of obtaining luminescence (Electroluminescence) generated by applying an electric field between the anode and the cathode, and is composed of a single layer or a plurality of layers.
- the luminescence in the electroluminescent layer includes light emission when returning from the singlet excited state to the ground state (fluorescence) and light emission when returning from the triplet excited state to the base state (phosphorescence).
- the light-emitting element includes a hole-injection layer, an electron-injection layer, and a hole-injection layer included in the electroluminescent layer.
- the transport layer, the electron transport layer, and the like can also take a form in which the inorganic compound is used alone or a material in which an inorganic compound is mixed with an organic compound. Further, these layers may be partially mixed with each other.
- the light-emitting element is an element whose luminance is controlled by current or voltage, and may be any element that can emit light from both sides of the panel, and is used for FED (Field Emission Display). It includes MIM type electron source elements (electron emitting elements) and OLEDs (Organic Light Emitting Diodes).
- the video signal is input line by line.
- a driving method of sequentially inputting video signals to the selected one row of pixels is called dot sequential driving.
- a driving method for simultaneously inputting a video signal to all pixels in one row is referred to as line-sequential driving.
- a video signal input to each pixel always has image information corresponding to the pixel.
- FIG. 8A shows a plurality of pixels provided in a matrix on the panel, and image information (D1 to D35) input to each pixel.
- the panel shown in Fig. 8 (A) is assumed to be driven in a dot-sequential manner, and the direction in which the row is selected is the row scanning direction, and the solid line arrow indicates the order of the pixels to which the video signal is input.
- the row scanning direction is indicated by a dashed arrow.
- FIG. 8B shows the panel shown in FIG. 8A as viewed from the opposite side.
- the column scanning direction is from right to left, while on the opposite side, the column scanning direction is from left to right, as shown in Fig. 8 (B). I'm heading. Therefore, the order in which the video signals are input in the pixels in one row is reversed.
- the column scanning direction when switching images from 2D to 3D, or from 3D to 2D, the column scanning direction must be switched in the opposite direction, or the image signal contained in the video signal must be synchronized with the column scanning direction. It is necessary to change it so that it is reversed left or right, or take one of the measures.
- the configuration of the drive circuit can be simplified.
- the panel is inverted in the column direction, for example, to look at the opposite side of the panel.
- the traveling direction is on the opposite side in the direction opposite to that of FIG. 8 (A). Therefore, the order in which the video signals are input to the pixels in one row is reversed.
- the power for switching the row scanning direction in the opposite direction is changed so that the image information of the video signal is inverted up and down in accordance with the row scanning direction. Need to take is there.
- the desktop monitor shown in Fig. 9 (A) has a housing 91, a support base 902, and a display unit.
- the display device of the present invention is used for the display portion 903.
- Display 9 0
- the display section 93 provided on the back side of 1 can be seen.
- the desktop monitor shown in Fig. 9 (B) has a housing 911, a support 912, and a display section.
- the display device of the present invention is used for the display section 913.
- the display unit 913 is also provided on the back side of the housing 911, and by rotating the housing 911 in the column direction of the display device as shown by the arrow, even if the user does not move.
- the display section 9 13 provided on the back side of the housing 9 11 can be seen.
- the case of the dot sequential driving has been described.
- the image information of the video signal may be inverted left and right or up and down.
- the display device of the present invention can be used for all information display monitors, such as personal computers, TV broadcast reception, and advertisement displays, in addition to desk monitors.
- FIG. 11 shows one row of pixels 1104 in a direction connecting both eyes, among a plurality of pixels included in panel 1101.
- Reference numeral 1102 denotes a lenticular lens, and the longitudinal direction of the convex part of the lens is in a plane parallel to the panel 1101, and is equal to a direction perpendicular to the direction connecting both eyes. I do.
- the lenticular lens 1102 is provided between the observer's both eyes and the panel 1101.
- two pixels adjacent to each other in the direction connecting both eyes of the panel 1101 are used for the left eye and the right eye, respectively. And use them properly.
- the pixel for the left eye displays the image (image) that would be obtained when viewed from the left eye
- the pixel for the right eye displays the image (image R) that would be obtained when viewed from the right eye .
- a shielding means 1103 for shielding light emitted from the panel may be provided further on the other side of the panel 111 as viewed from the observer.
- the contrast of the panel 110 1 can be increased.
- a shielding means that can further suppress the reflection of light in addition to shielding the light the contrast of the image can be further enhanced.
- FIG. 10B is a perspective view of the microlens array.
- the micro lens array is formed so that a plurality of plano-convex lenses are connected in a matrix.
- light is condensed at each convex portion of the lens and the traveling direction is controlled, as in the case of using a lenticular lens.
- the traveling direction is controlled, as in the case of using a lenticular lens.
- the brightness of three-dimensional images can be improved. It is possible to prevent the luminance from being significantly lower than the luminance of a two-dimensional image.
- Parallax Sparia is easier to align with pixels and is easier to manufacture than the Lenticular lens or microlens array.
- Example 1 In this example, a structure of a signal line driver circuit and a scan line driver circuit having a function of switching a scan direction in an active matrix display device of the present invention will be described.
- the transmission gate 1 2 1 1 When the transmission gate 1 2 1 1 is on, the first pulse signal is supplied to the leftmost flip-flop 1 2 1 0, so that it functions as a right shift type shift register. Conversely, when the transmission gate 1 2 1 2 is on, the start pulse signal is given to the rightmost flip-flop 1 210 Therefore, it functions as a left shift type shift register.
- Switching of the transmission gate 123 is controlled by a buffered and amplified timing signal. Then, when the transmission gate 1203 is on, the video signal is sampled and supplied to each pixel in the pixel portion. If the shift register 1 201 functions as a right shift type, the column scanning direction is from left to right, and if the shift register 1 201 functions as a left shift type, The column scanning direction is from right to left.
- FIG. 13 shows a circuit diagram of the signal line drive circuit of the present embodiment.
- the signal line drive circuit shown in Fig. 13 supports digital video signals.
- reference numeral 1301 denotes a shift register, which has the same configuration as the shift register 1201 shown in FIG. 12, and the switching of the scanning direction is controlled by the switching signal LZR.
- the timing signal generated in the shift register 1301 is buffer-amplified in the inverter 1302, and then input to the latch 1303.
- the subsequent circuit here, invar 1320, latch 1303, latch 1304.
- the latch 1303 latches the video signal according to the timing signal.
- FIG. 13 shows only one latch 133, a plurality of latches 133 are actually provided, and the video signal is latched sequentially in accordance with the timing signal.
- the order of the latch can be switched from left to right latch 133 or from right to left latch 133 by the switching signal LZR.
- the video signal held in the latch 1303 is simultaneously sent to the subsequent latch 1304 in accordance with the latch signal LAT and its inverted signal LATb. Dispatched and latched. Then, the video signal latched in the latch 134 is supplied to the corresponding pixel.
- FIG. 14 shows a circuit diagram of the scan drive circuit of this embodiment.
- reference numeral 14001 denotes a shift register, which has the same configuration as the shift register 1201 shown in FIG. 12. Switching of the scanning direction is controlled by a switching signal L / R. I have. However, the timing signal generated in the shift register 1401 is used to select pixels in each row.
- the timing signal generated in the shift register 1401 is buffer-amplified in the amplifier 1402 and then input to the pixel. Note that in FIG. 14, only the output of one of the shift registers 14 0 1 is shown in the subsequent circuit (here, the circuit 140 2), but in reality it corresponds to the other outputs. A plurality of subsequent circuits are provided.
- the driving circuit described in this embodiment is one embodiment of a driving circuit that can be used for the display device of the present invention, and the present invention is not limited to this.
- This embodiment can be implemented by being freely combined with Embodiment 1.
- the above principle is used, and when the observer's line of sight is directed from the front of the screen as shown in 204, it is possible to recognize a three-dimensional image.
- the observer's line of sight is shifted from the front by a predetermined angle or more, as shown in FIG. 2, only scattered dots are recognized.
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Liquid Crystal Display Device Control (AREA)
- Stereoscopic And Panoramic Photography (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2003275616A AU2003275616A1 (en) | 2002-10-30 | 2003-10-23 | Display unit and electronic equipment |
| JP2004525639A JP4515259B2 (ja) | 2002-10-30 | 2003-10-23 | 表示装置及び電子機器 |
| EP03758821A EP1560059B1 (en) | 2002-10-30 | 2003-10-23 | Display unit and electronic equipment |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002-316061 | 2002-10-30 | ||
| JP2002316061 | 2002-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2004040354A1 true WO2004040354A1 (ja) | 2004-05-13 |
Family
ID=32211672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2003/013554 Ceased WO2004040354A1 (ja) | 2002-10-30 | 2003-10-23 | 表示装置及び電子機器 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7345661B2 (ja) |
| EP (2) | EP2397884B1 (ja) |
| JP (1) | JP4515259B2 (ja) |
| KR (1) | KR101017231B1 (ja) |
| CN (2) | CN1329765C (ja) |
| AU (1) | AU2003275616A1 (ja) |
| TW (2) | TWI446006B (ja) |
| WO (1) | WO2004040354A1 (ja) |
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| JP2009086024A (ja) * | 2007-09-27 | 2009-04-23 | Seiko Epson Corp | 画像表示装置および電子機器 |
| JP2011514539A (ja) * | 2008-02-21 | 2011-05-06 | シャープ株式会社 | ディスプレイ |
| CN103176277A (zh) * | 2011-12-21 | 2013-06-26 | 财团法人工业技术研究院 | 混合多工式立体显示器及其显示方法 |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006030512A (ja) * | 2004-07-15 | 2006-02-02 | Nec Corp | 液晶表示装置、携帯機器及び液晶表示装置の駆動方法 |
| US8199173B2 (en) | 2004-07-15 | 2012-06-12 | Nlt Technologies, Ltd. | Liquid crystal display apparatus, portable device, and drive method for liquid crystal display apparatus |
| JP2009506357A (ja) * | 2005-08-26 | 2009-02-12 | マスター イメージ シーオー. リミテッド | セル構造のパララックスバリア及びこれを用いる立体映像表示装置 |
| US8064000B2 (en) | 2005-08-26 | 2011-11-22 | Masterimage 3D Asia, Llc | Cell type parallax-barrier and stereoscopic image display apparatus using the same |
| US8144274B2 (en) | 2005-08-26 | 2012-03-27 | Masterimage 3D Asia, Llc | Cell type parallax-barrier and stereoscopic image display apparatus using the same |
| US9116357B2 (en) | 2007-06-23 | 2015-08-25 | Industrial Technology Research Institute | Hybrid multiplexed 3D display and displaying method thereof |
| JP2009086024A (ja) * | 2007-09-27 | 2009-04-23 | Seiko Epson Corp | 画像表示装置および電子機器 |
| JP2011514539A (ja) * | 2008-02-21 | 2011-05-06 | シャープ株式会社 | ディスプレイ |
| US8885018B2 (en) | 2008-02-21 | 2014-11-11 | Sharp Kabushiki Kaisha | Display device configured to simultaneously exhibit multiple display modes |
| CN103176277A (zh) * | 2011-12-21 | 2013-06-26 | 财团法人工业技术研究院 | 混合多工式立体显示器及其显示方法 |
| JP2015510710A (ja) * | 2012-01-11 | 2015-04-09 | ウルトラ−デー・コーペラティーフ・ユー・アー | モバイル表示装置 |
| JP2017502326A (ja) * | 2013-12-16 | 2017-01-19 | 深▲セン▼市華星光電技術有限公司 | 被写界深度を再現する3d表示パネル及びその表示方法 |
| WO2015145934A1 (ja) * | 2014-03-27 | 2015-10-01 | パナソニックIpマネジメント株式会社 | 虚像表示装置、ヘッドアップディスプレイシステム及び乗物 |
| JPWO2015145934A1 (ja) * | 2014-03-27 | 2017-04-13 | パナソニックIpマネジメント株式会社 | 虚像表示装置、ヘッドアップディスプレイシステム及び乗物 |
| US10146052B2 (en) | 2014-03-27 | 2018-12-04 | Panasonic Intellectual Property Management Co., Ltd. | Virtual image display apparatus, head-up display system, and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI366678B (en) | 2012-06-21 |
| CN101089675A (zh) | 2007-12-19 |
| EP1560059A4 (en) | 2006-08-16 |
| TW200415402A (en) | 2004-08-16 |
| EP2397884A1 (en) | 2011-12-21 |
| CN100501501C (zh) | 2009-06-17 |
| KR20050070102A (ko) | 2005-07-05 |
| US7345661B2 (en) | 2008-03-18 |
| TW201142361A (en) | 2011-12-01 |
| JPWO2004040354A1 (ja) | 2006-03-02 |
| JP4515259B2 (ja) | 2010-07-28 |
| KR101017231B1 (ko) | 2011-02-25 |
| US20040239231A1 (en) | 2004-12-02 |
| CN1708714A (zh) | 2005-12-14 |
| AU2003275616A1 (en) | 2004-05-25 |
| EP1560059A1 (en) | 2005-08-03 |
| EP1560059B1 (en) | 2011-11-23 |
| CN1329765C (zh) | 2007-08-01 |
| TWI446006B (zh) | 2014-07-21 |
| EP2397884B1 (en) | 2018-01-17 |
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