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WO2018103157A1 - 模块化液晶显示装置 - Google Patents

模块化液晶显示装置 Download PDF

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Publication number
WO2018103157A1
WO2018103157A1 PCT/CN2016/112536 CN2016112536W WO2018103157A1 WO 2018103157 A1 WO2018103157 A1 WO 2018103157A1 CN 2016112536 W CN2016112536 W CN 2016112536W WO 2018103157 A1 WO2018103157 A1 WO 2018103157A1
Authority
WO
WIPO (PCT)
Prior art keywords
liquid crystal
crystal display
display panel
light source
display device
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/CN2016/112536
Other languages
English (en)
French (fr)
Inventor
樊勇
张简圣哲
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.)
TCL China Star Optoelectronics Technology Co Ltd
Original Assignee
Shenzhen China Star Optoelectronics Technology Co Ltd
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 Shenzhen China Star Optoelectronics Technology Co Ltd filed Critical Shenzhen China Star Optoelectronics Technology Co Ltd
Priority to US15/327,400 priority Critical patent/US20180267764A1/en
Publication of WO2018103157A1 publication Critical patent/WO2018103157A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • 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
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
    • G06F3/1446—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display display composed of modules, e.g. video walls
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133603—Direct backlight with LEDs
    • 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
    • G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133553—Reflecting elements
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133605—Direct backlight including specially adapted reflectors
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133608—Direct backlight including particular frames or supporting means
    • 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
    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • 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
    • G02F1/133342—Constructional arrangements; Manufacturing methods for double-sided displays
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133628—Illuminating devices with cooling means

Definitions

  • the present invention relates to the field of display design, and more particularly to modular liquid crystal display devices.
  • FIG. 1 is a schematic structural view of a conventional modular liquid crystal display device 10, which is a double-sided liquid crystal display device, which is widely used in commercial display fields such as high-speed rail or shopping malls.
  • the modular liquid crystal display device 10 includes two liquid crystal display modules, each of which includes a reflective sheet 11, a light guide plate 12, an optical film group 13, a liquid crystal display panel 14, and a light source 15, between the two liquid crystal display panels. Connected by a connector 16.
  • the existing modular liquid crystal display device 10 has a large overall volume, and the power consumption and heat dissipation effect are also poor.
  • the embodiment of the invention provides a modular liquid crystal display device with good display effect, low energy consumption and good heat dissipation effect; and the utility model has the advantages of large overall volume, energy consumption and heat dissipation effect of the existing modular liquid crystal display device. Poor technical issues.
  • Embodiments of the present invention provide a modular liquid crystal display device including a first liquid crystal display panel, a second liquid crystal display panel, a light source module disposed on an upper portion of the first liquid crystal display panel and the second liquid crystal display panel, and a setting Two side package structure members on the side of the first liquid crystal display panel and the second liquid crystal display panel; the lower portions of the first liquid crystal display panel and the second liquid crystal display panel are connected to each other; the first The liquid crystal display panel, the second liquid crystal display panel, the light source module and the two side package structures constitute a closed receiving space;
  • the light source module includes an LED light source disposed inside the receiving space, a reflective sheet for performing a reflecting operation on the emitted light of the LED light source, and a heat sink disposed outside the receiving space;
  • the angle between the plane of the first liquid crystal display panel and the plane of the second liquid crystal display panel is less than or equal to 120 degrees;
  • a first optical film group is disposed on a side of the first liquid crystal display panel facing the receiving space, and a second optical film group is disposed on a side of the second liquid crystal display panel facing the receiving space.
  • the LED light source is disposed inside the accommodation space through a light source placement plate, and the reflection plate is disposed between adjacent LED light sources.
  • the number density of the LED light sources in the region where the distance value is smaller on the light source placement plate is greater than the number density of the LED light sources in the region where the distance value is large;
  • the placement distance value is an absolute value of a difference between the area and the first liquid crystal display panel, and a distance between the area and the second liquid crystal display panel.
  • the LED light source is disposed inside the accommodation space by a protruding member, and the reflection sheet is disposed on both outer sides of the protruding member.
  • the LED light source is uniformly disposed on an outer surface of the protruding member.
  • the LED light source is disposed inside the receiving space through a heat dissipating protrusion, and the reflecting sheet is disposed on both outer sides of the heat dissipating protrusion.
  • the heat dissipation protrusion is connected to the heat sink.
  • the side package structure member is provided with a reflection sheet toward a side of the accommodation space.
  • An embodiment of the present invention further provides a modular liquid crystal display device including a first liquid crystal display panel, a second liquid crystal display panel, a light source module disposed on an upper portion of the first liquid crystal display panel and the second liquid crystal display panel, and Two side package structures disposed on the side of the first liquid crystal display panel and the second liquid crystal display panel; the lower portions of the first liquid crystal display panel and the second liquid crystal display panel are connected to each other; a liquid crystal display panel, the second liquid crystal display panel, the light source module and the two side package structures constitute a closed receiving space;
  • the light source module includes an LED light source disposed inside the receiving space, a reflective sheet for performing a reflecting operation on the emitted light of the LED light source, and a heat sink disposed outside the receiving space.
  • the LED light source is disposed inside the accommodation space through a light source placement plate, and the reflection plate is disposed between adjacent LED light sources.
  • the number density of the LED light sources in the region where the distance value is smaller on the light source placement plate is greater than the number density of the LED light sources in the region where the distance value is large;
  • the placement distance value is an absolute value of a difference between the area and the first liquid crystal display panel, and a distance between the area and the second liquid crystal display panel.
  • the LED light source is disposed inside the accommodation space by a protruding member, and the reflection sheet is disposed on both outer sides of the protruding member.
  • the LED light source is uniformly disposed on an outer surface of the protruding member.
  • the LED light source is disposed inside the receiving space through a heat dissipating protrusion, and the reflecting sheet is disposed on both outer sides of the heat dissipating protrusion.
  • the heat dissipation protrusion is connected to the heat sink.
  • the angle between the plane of the first liquid crystal display panel and the plane of the second liquid crystal display panel is less than or equal to 120 degrees.
  • a first optical film group is disposed on a side of the first liquid crystal display panel facing the receiving space; and the second liquid crystal display panel faces the receiving space.
  • a second optical film set is disposed on one side.
  • the side package structure member is provided with a reflection sheet toward a side of the accommodation space.
  • the modular liquid crystal display device of the present invention simplifies the structure of the modular liquid crystal display device by accommodating the space structure, and enhances the heat dissipation effect of the modular liquid crystal display device, and The utilization rate of the light source is improved, thereby reducing the energy consumption of the modular liquid crystal display device; and solving the technical problem that the existing modular liquid crystal display device has a large overall volume, energy consumption, and poor heat dissipation effect.
  • FIG. 1 is a schematic structural view of a conventional modular liquid crystal display device
  • FIG. 2 is a schematic structural view of a first preferred embodiment of a modular liquid crystal display device of the present invention
  • Figure 3 is a cross-sectional view taken along line A-A' of Figure 2;
  • FIG. 4 is a schematic view showing the arrangement of LED light sources on a light source placement plate of a first preferred embodiment of the modular liquid crystal display device of the present invention
  • FIG. 5 is a schematic structural view of a second preferred embodiment of the modular liquid crystal display device of the present invention.
  • Figure 6 is a schematic view showing the structure of a third preferred embodiment of the modular liquid crystal display device of the present invention.
  • FIG. 2 is a schematic structural view of a first preferred embodiment of the modular liquid crystal display device of the present invention
  • FIG. 3 is a cross-sectional view taken along line A-A' of FIG. 2
  • the modular liquid crystal display device 20 of the preferred embodiment includes a first liquid crystal display panel 21, a second liquid crystal display panel 22, a light source module 23, and two side package structures 24.
  • the light source module 23 is disposed on an upper portion of the first liquid crystal display panel 21 and the second liquid crystal display panel 22, and the side package structure member 24 is disposed at a side of the first liquid crystal display panel 21 and the second liquid crystal display panel 22, and the first liquid crystal display panel 21 Connected to the lower portion of the second liquid crystal display panel 22, the first liquid crystal display panel 21, the second liquid crystal display panel 22, the light source module 23, and the two side package structures 24 constitute a closed receiving space.
  • the angle between the plane of the first liquid crystal display panel 21 and the plane of the second liquid crystal display panel 22 is less than or equal to 120 degrees.
  • a first optical film group 25 is disposed on a side of the first liquid crystal display panel 21 facing the receiving space
  • a second optical film group 26 is disposed on a side of the second liquid crystal display panel 22 facing the receiving space.
  • the light source module 23 includes an LED light source 231, a reflection sheet 232, and a heat sink 233.
  • the LED light source 231 is disposed inside the accommodating space through the light source placing plate, and the reflecting plate 232 is disposed between the adjacent LED light sources 231 for reflecting the emitted light of the LED light source 231, and the heat sink 233 is disposed outside the accommodating space.
  • the inner side of the side package structure 24 is also provided with a reflective sheet (not shown), so that the light emitted from the LED light source 231 can only be emitted through the first liquid crystal display panel 21 and the second liquid crystal display panel 22, and the LED light source 231 The heat generated can be better derived from the heat sink 233.
  • the number density of the LED light source 231 in the region where the distance value is small on the light source placement board is larger than the number density of the LED light source 231 in the region where the placement distance value is large, wherein the placement distance value of the region is the region and The distance between the first liquid crystal display panel 21 and the absolute value of the distance between the region and the second liquid crystal display panel 22.
  • the number density of the LED light sources 231 is set according to the distance between the specific light source placement panel and the liquid crystal display panel, that is, The area where the distance between the light source placement plate and the corresponding liquid crystal display panel is larger, the density density of the disposed LED light source 231 is also larger.
  • the display brightness uniformity of the first liquid crystal display panel 21 and the second liquid crystal display panel 22 can be better ensured.
  • the light emitted by the LED light source 231 of the light source module 23 can be directly incident on the first liquid crystal display panel 21 and the second liquid crystal display panel 22 through the receiving space, and some portions are not directly incident.
  • the incident light onto the first liquid crystal display panel 21 and the second liquid crystal display panel 22 is again reflected into the accommodating space through the reflection sheet 232 in the accommodating space, and finally also from the first liquid crystal display panel 21 and the second liquid crystal display panel 22 On the shot. Therefore, the energy consumption of the modular liquid crystal display device 20 is effectively reduced.
  • the heat sink 233 of the light source module 23 can effectively dissipate the heat treatment of the LED light source 231, so that the space lifting module can be accommodated on the basis of ensuring the utilization of the light source.
  • the heat dissipation effect of the liquid crystal display device 20 is reduced, thereby reducing the power consumption of the modular liquid crystal display device 20.
  • an angle of less than 120 degrees is formed between the plane of the first liquid crystal display panel 21 and the plane of the second liquid crystal display panel 22, so that the first liquid crystal display panel 21 and the second liquid crystal display panel 22 are both oriented.
  • the downward tilt display allows the user walking under the modular liquid crystal display device 20 to have a better visual viewing range.
  • the modular liquid crystal display device of the preferred embodiment simplifies the structure of the modular liquid crystal display device by the design of the accommodation space structure, enhances the heat dissipation effect of the modular liquid crystal display device, and reduces the utilization rate of the light source, thereby reducing The energy consumption of the modular liquid crystal display device.
  • FIG. 5 is a schematic structural view of a second preferred embodiment of the modular liquid crystal display device of the present invention.
  • the modular liquid crystal display device 30 of the preferred embodiment includes a first liquid crystal display panel 31, a second liquid crystal display panel 32, a light source module 33, and two side package structures 34.
  • the light source module 33 includes an LED light source 331, a reflection sheet 332, a heat sink 333, and a protruding member 334.
  • the LED light source 331 of the light source module 33 of the modular liquid crystal display device 30 of the preferred embodiment is disposed inside the receiving space by a protruding member 334, and the reflecting sheet 332 is disposed outside the protruding member 334.
  • the protruding member 334 is disposed in the middle of the accommodating space, the distance between the LED light source 331 and the corresponding liquid crystal display panel can be better improved, and the indirect ejection after the light reflection is reduced, thereby further improving the LED light source 331.
  • the LED light source 331 can be uniformly disposed on the outer surface of the protruding member 334, thereby simplifying the arrangement of the LED light source 331.
  • the specific working principle of the modular liquid crystal display device 30 of the preferred embodiment is the same as or similar to that described in the first preferred embodiment of the modular liquid crystal display device 20 described above.
  • the modular liquid crystal display device of the preferred embodiment further improves the light source utilization of the LED light source by the arrangement of the protruding members, and simplifies the arrangement of the LED light source.
  • FIG. 6 is a schematic structural view of a third preferred embodiment of the modular liquid crystal display device of the present invention.
  • the modular liquid crystal display device 40 of the preferred embodiment includes a first liquid crystal display panel 41, a second liquid crystal display panel 42, a light source module 43, and two side package structures 44.
  • the light source module 43 includes an LED light source 431, a reflection sheet 432, a heat sink 433, and a heat dissipation protrusion 434.
  • the LED light source 431 of the light source module 43 of the modular liquid crystal display device 40 of the preferred embodiment is disposed inside the receiving space through a heat dissipating protrusion 434, and the reflecting sheet 432 is disposed on the heat dissipating protrusion 434.
  • the heat dissipation protrusions 434 are connected to the heat sink 433 on both outer sides. Since the heat dissipating protrusion 434 is disposed in the middle of the accommodating space, the distance between the LED light source 431 and the corresponding liquid crystal display panel can be better improved, and the LED light source 431 is further improved by reducing the indirect emission after the light reflection. Light source utilization.
  • the LED light source 431 can be uniformly disposed on the outer surface of the heat dissipating protrusion 434, thereby simplifying the arrangement of the LED light source 431.
  • the volume of the heat sink 433 can be correspondingly reduced, thereby reducing the overall volume of the modular liquid crystal display device 40.
  • the specific working principle of the modular liquid crystal display device 40 of the preferred embodiment is the same as or similar to that described in the first preferred embodiment of the modular liquid crystal display device 20 described above.
  • the modular liquid crystal display device of the preferred embodiment further improves the light source utilization of the LED light source by the arrangement of the heat dissipation protrusions, and further reduces the overall volume of the modular liquid crystal display device.
  • the modular liquid crystal display device of the invention simplifies the structure of the modular liquid crystal display device by the design of the accommodation space structure, strengthens the heat dissipation effect of the modular liquid crystal display device, and reduces the modularity due to the improvement of the utilization rate of the light source.
  • the energy consumption of the liquid crystal display device solves the technical problem that the overall modular liquid crystal display device has a large overall volume, energy consumption, and poor heat dissipation effect.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Multimedia (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)

Abstract

一种模块化液晶显示装置（20），其包括第一液晶显示面板（21）、第二液晶显示面板（22）、光源模块（23）以及两个侧面封装结构件（24）；第一液晶显示面板（21）和第二液晶显示面板（22）的下部相互连接，第一液晶显示面板（21）、第二液晶显示面板（22）、光源模块（23）以及两个侧面封装结构件（24）构成一封闭的容纳空间，其中光源模块（23）包括LED光源（231）、反射片（232）以及散热器（233）。

Description

模块化液晶显示装置 技术领域
本发明涉及显示器设计领域，特别是涉及模块化液晶显示装置。
 背景技术
图1是一种现有的模块化液晶显示装置的结构示意图，该模块化液晶显示装置10为双面液晶显示装置，其在高铁或商场等商业显示领域中得到广泛应用。该模块化液晶显示装置10包括两个液晶显示模块，每个液晶显示模块均包括反射片11、导光板12、光学膜片组13、液晶显示面板14以及光源15，两个液晶显示面板之间通过连接件16连接。
从图1中可以看出，现有的模块化液晶显示装置10的整体体积较大，能耗以及散热效果也较差。
故，有必要提供一种模块化液晶显示装置，以解决现有技术所存在的问题。
 技术问题
本发明实施例提供一种显示效果好、能耗较低以及散热效果均较好的模块化液晶显示装置；以解决现有的模块化液晶显示装置的整体体积较大、能耗以及散热效果较差的技术问题。
 技术解决方案
本发明实施例提供一种模块化液晶显示装置，其包括第一液晶显示面板、第二液晶显示面板、设置在所述第一液晶显示面板和所述第二液晶显示面板上部的光源模块以及设置在所述第一液晶显示面板和所述第二液晶显示面板侧部的两个侧面封装结构件；所述第一液晶显示面板和所述第二液晶显示面板的下部相互连接；所述第一液晶显示面板、所述第二液晶显示面板、所述光源模块以及两个所述侧面封装结构件构成一封闭的容纳空间；
其中所述光源模块包括设置在所述容纳空间内侧的LED光源、用于对所述LED光源的出射光进行反射操作的反射片以及设置在所述容纳空间外侧的散热器；
所述第一液晶显示面板的所在平面和所述第二液晶显示面板的所在平面的夹角小于等于120度；
所述第一液晶显示面板朝向所述容纳空间的一侧设置有第一光学膜片组；所述第二液晶显示面板朝向所述容纳空间的一侧设置有第二光学膜片组。
在本发明所述的模块化液晶显示装置中，所述LED光源通过光源放置板设置在所述容纳空间内侧，所述反射板设置在相邻LED光源之间。
在本发明所述的模块化液晶显示装置中，所述光源放置板上放置距离值较小的区域的LED光源的数量密度大于放置距离值较大的区域的LED光源的数量密度；
其中所述放置距离值为所述区域与所述第一液晶显示面板的距离，以及所述区域与所述第二液晶显示面板的距离的差值绝对值。
在本发明所述的模块化液晶显示装置中，所述LED光源通过一突出件设置在所述容纳空间内侧，所述反射片设置在所述突出件的外部两侧。
在本发明所述的模块化液晶显示装置中，所述LED光源均匀的设置在所述突出件的外表面。
在本发明所述的模块化液晶显示装置中，所述LED光源通过一散热突出件设置在所述容纳空间内侧，所述反射片设置在所述散热突出件的外部两侧。
在本发明所述的模块化液晶显示装置中，所述散热突出件与所述散热器连接。
在本发明所述的模块化液晶显示装置中，所述侧面封装结构件朝向所述容纳空间的一侧设置有反射片。
本发明实施例还提供一种模块化液晶显示装置，其包括第一液晶显示面板、第二液晶显示面板、设置在所述第一液晶显示面板和所述第二液晶显示面板上部的光源模块以及设置在所述第一液晶显示面板和所述第二液晶显示面板侧部的两个侧面封装结构件；所述第一液晶显示面板和所述第二液晶显示面板的下部相互连接；所述第一液晶显示面板、所述第二液晶显示面板、所述光源模块以及两个所述侧面封装结构件构成一封闭的容纳空间；
其中所述光源模块包括设置在所述容纳空间内侧的LED光源、用于对所述LED光源的出射光进行反射操作的反射片以及设置在所述容纳空间外侧的散热器。
在本发明所述的模块化液晶显示装置中，所述LED光源通过光源放置板设置在所述容纳空间内侧，所述反射板设置在相邻LED光源之间。
在本发明所述的模块化液晶显示装置中，所述光源放置板上放置距离值较小的区域的LED光源的数量密度大于放置距离值较大的区域的LED光源的数量密度；
其中所述放置距离值为所述区域与所述第一液晶显示面板的距离，以及所述区域与所述第二液晶显示面板的距离的差值绝对值。
在本发明所述的模块化液晶显示装置中，所述LED光源通过一突出件设置在所述容纳空间内侧，所述反射片设置在所述突出件的外部两侧。
在本发明所述的模块化液晶显示装置中，所述LED光源均匀的设置在所述突出件的外表面。
在本发明所述的模块化液晶显示装置中，所述LED光源通过一散热突出件设置在所述容纳空间内侧，所述反射片设置在所述散热突出件的外部两侧。
在本发明所述的模块化液晶显示装置中，所述散热突出件与所述散热器连接。
在本发明所述的模块化液晶显示装置中，所述第一液晶显示面板的所在平面和所述第二液晶显示面板的所在平面的夹角小于等于120度。
在本发明所述的模块化液晶显示装置中，所述第一液晶显示面板朝向所述容纳空间的一侧设置有第一光学膜片组；所述第二液晶显示面板朝向所述容纳空间的一侧设置有第二光学膜片组。
在本发明所述的模块化液晶显示装置中，所述侧面封装结构件朝向所述容纳空间的一侧设置有反射片。
 有益效果
相较于现有的模块化液晶显示装置，本发明的模块化液晶显示装置通过容纳空间结构的设计，简化了模块化液晶显示装置的结构，加强了模块化液晶显示装置的散热效果，且由于提高了光源的利用率，因此降低了模块化液晶显示装置的能耗；解决了现有的模块化液晶显示装置的整体体积较大、能耗以及散热效果较差的技术问题。
 附图说明
为让本发明的上述内容能更明显易懂，下文特举优选实施例，并配合所附图式，作详细说明如下：
图1是一种现有的模块化液晶显示装置的结构示意图；
图2为本发明的模块化液晶显示装置的第一优选实施例的结构示意图；
图3为沿图2的A-A’截面线的截面图；
图4为本发明的模块化液晶显示装置的第一优选实施例的光源放置板上的LED光源的排列示意图；
图5为本发明的模块化液晶显示装置的第二优选实施例的结构示意图；
图6为本发明的模块化液晶显示装置的第三优选实施例的结构示意图。
 本发明的最佳实施方式
以下各实施例的说明是参考附加的图式，用以例示本发明可用以实施的特定实施例。本发明所提到的方向用语，例如「上」、「下」、「前」、「后」、「左」、「右」、「内」、「外」、「侧面」等，仅是参考附加图式的方向。因此，使用的方向用语是用以说明及理解本发明，而非用以限制本发明。
在图中，结构相似的单元是以相同标号表示。
请参照图2至图4，图2为本发明的模块化液晶显示装置的第一优选实施例的结构示意图；图3为沿图2的A-A’截面线的截面图；图4为本发明的模块化液晶显示装置的第一优选实施例的光源放置板上的LED光源的排列示意图。
本优选实施例的模块化液晶显示装置20包括第一液晶显示面板21、第二液晶显示面板22、光源模块23以及两个侧面封装结构件24。光源模块23设置在第一液晶显示面板21和第二液晶显示面板22上部，侧面封装结构件24设置在第一液晶显示面板21和第二液晶显示面板22的侧部，第一液晶显示面板21和第二液晶显示面板22的下部相互连接，第一液晶显示面板21、第二液晶显示面板22、光源模块23以及两个侧面封装结构件24构成一封闭的容纳空间。其中第一液晶显示面板21的所在平面和第二液晶显示面板22的所在平面的夹角小于等于120度。
优选的，第一液晶显示面板21朝向容纳空间的一侧设置有第一光学膜片组25，第二液晶显示面板22朝向容纳空间的一侧设置有第二光学膜片组26。
如图3所示，光源模块23包括LED光源231、反射片232以及散热器233。其中LED光源231通过光源放置板设置在容纳空间内侧，反射板232设置在相邻LED光源231之间，用于对LED光源231的出射光进行反射操作，散热器233设置在容纳空间外侧。同时侧面封装结构件24的内侧也设置有反射片（图中未示出），这样LED光源231出射的光线只能通过第一液晶显示面板21和第二液晶显示面板22出射，且LED光源231产生的热量可以通过散热器233较好的导出。
如图4所示，光源放置板上放置距离值较小的区域的LED光源231的数量密度大于放置距离值较大的区域的LED光源231的数量密度，其中区域的放置距离值为该区域与第一液晶显示面板21的距离，与该区域与第二液晶显示面板22的距离的差值绝对值。
由于第一液晶显示面板21和第二液晶显示面板22的各个区域与光源放置板的距离不一致，因此这里根据具体光源放置板和液晶显示面板之间的距离，设置LED光源231的数量密度，即光源放置板上与相应的液晶显示面板的距离越大的区域，设置的LED光源231的数量密度也越大。这样可以较好的保证第一液晶显示面板21和第二液晶显示面板22的显示亮度均一性。
本优选实施例的模块化液晶显示装置20使用时，光源模块23的LED光源231发出的光线可通过容纳空间直接入射到第一液晶显示面板21和第二液晶显示面板22上，部分没有直接入射到第一液晶显示面板21和第二液晶显示面板22上的入射光，通过容纳空间中的反射片232再次反射到容纳空间中，最终也从第一液晶显示面板21和第二液晶显示面板22上出射。因此有效的降低了模块化液晶显示装置20的能耗；同时光源模块23的散热器233可有效的对LED光源231进行散热处理，因此可在保证光源利用率的基础上，通过容纳空间提升模块化液晶显示装置20的散热效果，从而降低模块化液晶显示装置20的能耗。
在视觉方面，第一液晶显示面板21的所在平面和第二液晶显示面板22的所在平面之间形成一小于120度的夹角，从而第一液晶显示面板21和第二液晶显示面板22均向下倾斜显示，使得在模块化液晶显示装置20下行走的用户具有较好的视觉可视范围。
因此本优选实施例的模块化液晶显示装置通过容纳空间结构的设计，简化了模块化液晶显示装置的结构，加强了模块化液晶显示装置的散热效果，且由于提高了光源的利用率，因此降低了模块化液晶显示装置的能耗。
请参照图5，图5为本发明的模块化液晶显示装置的第二优选实施例的结构示意图。本优选实施例的模块化液晶显示装置30包括第一液晶显示面板31、第二液晶显示面板32、光源模块33以及两个侧面封装结构件34。
光源模块33包括LED光源331、反射片332、散热器333以及突出件334。
在第一优选实施例的基础上，本优选实施例的模块化液晶显示装置30的光源模块33的LED光源331通过一突出件334设置在容纳空间内侧，反射片332设置在突出件334的外部两侧。由于突出件334设置在容纳空间的中部，这样可较好的改善LED光源331与相应的液晶显示面板之间的距离，且由于减少了光线反射后的间接射出，因此进一步提高了LED光源331的光源利用率。
如该突出件334设置的高度合适，LED光源331可均匀的设置在突出件334的外表面，从而简化LED光源331的设置方式。
本优选实施例的模块化液晶显示装置30的具体工作原理与上述模块化液晶显示装置20的第一优选实施例中描述的相同或相似，具体请参见上述模块化液晶显示装置20的第一优选实施例中的相关描述。
在第一优选实施例的基础上，本优选实施例的模块化液晶显示装置通过突出件的设置进一步提高了LED光源的光源利用率，且简化了LED光源的设置方式。
请参照图6，图6为本发明的模块化液晶显示装置的第三优选实施例的结构示意图。本优选实施例的模块化液晶显示装置40包括第一液晶显示面板41、第二液晶显示面板42、光源模块43以及两个侧面封装结构件44。
光源模块43包括LED光源431、反射片432、散热器433以及散热突出件434。
在第一优选实施例的基础上，本优选实施例的模块化液晶显示装置40的光源模块43的LED光源431通过一散热突出件434设置在容纳空间内侧，反射片432设置在散热突出件434的外部两侧，该散热突出件434与散热器433连接。由于散热突出件434设置在容纳空间的中部，这样可较好的改善LED光源431与相应的液晶显示面板之间的距离，且由于减少了光线反射后的间接射出，因此进一步提高了LED光源431的光源利用率。
如该散热突出件434设置的高度合适，LED光源431可均匀的设置在散热突出件434的外表面，从而简化LED光源431的设置方式。
同时由于散热突出件434的设置，可相应的减小散热器433的体积，从而减小模块化液晶显示装置40的整体体积。
本优选实施例的模块化液晶显示装置40的具体工作原理与上述模块化液晶显示装置20的第一优选实施例中描述的相同或相似，具体请参见上述模块化液晶显示装置20的第一优选实施例中的相关描述。
在第一优选实施例的基础上，本优选实施例的模块化液晶显示装置通过散热突出件的设置进一步提高了LED光源的光源利用率，且进一步减小了模块化液晶显示装置的整体体积。
本发明的模块化液晶显示装置通过容纳空间结构的设计，简化了模块化液晶显示装置的结构，加强了模块化液晶显示装置的散热效果，且由于提高了光源的利用率，因此降低了模块化液晶显示装置的能耗；解决了现有的模块化液晶显示装置的整体体积较大、能耗以及散热效果较差的技术问题。
综上所述，虽然本发明已以优选实施例揭露如上，但上述优选实施例并非用以限制本发明，本领域的普通技术人员，在不脱离本发明的精神和范围内，均可作各种更动与润饰，因此本发明的保护范围以权利要求界定的范围为准。

Claims (18)

  1. 一种模块化液晶显示装置，其包括第一液晶显示面板、第二液晶显示面板、设置在所述第一液晶显示面板和所述第二液晶显示面板上部的光源模块以及设置在所述第一液晶显示面板和所述第二液晶显示面板侧部的两个侧面封装结构件；所述第一液晶显示面板和所述第二液晶显示面板的下部相互连接；所述第一液晶显示面板、所述第二液晶显示面板、所述光源模块以及两个所述侧面封装结构件构成一封闭的容纳空间；
    其中所述光源模块包括设置在所述容纳空间内侧的LED光源、用于对所述LED光源的出射光进行反射操作的反射片以及设置在所述容纳空间外侧的散热器；
    所述第一液晶显示面板的所在平面和所述第二液晶显示面板的所在平面的夹角小于等于120度；
    所述第一液晶显示面板朝向所述容纳空间的一侧设置有第一光学膜片组；所述第二液晶显示面板朝向所述容纳空间的一侧设置有第二光学膜片组。
  2. 根据权利要求1所述的模块化液晶显示装置，其中所述LED光源通过光源放置板设置在所述容纳空间内侧，所述反射板设置在相邻LED光源之间。
  3. 根据权利要求2所述的模块化液晶显示装置，其中所述光源放置板上放置距离值较小的区域的LED光源的数量密度大于放置距离值较大的区域的LED光源的数量密度；
    其中所述放置距离值为所述区域与所述第一液晶显示面板的距离，以及所述区域与所述第二液晶显示面板的距离的差值绝对值。
  4. 根据权利要求1所述的模块化液晶显示装置，其中所述LED光源通过一突出件设置在所述容纳空间内侧，所述反射片设置在所述突出件的外部两侧。
  5. 根据权利要求4所述的模块化液晶显示装置，其中所述LED光源均匀的设置在所述突出件的外表面。
  6. 根据权利要求1所述的模块化液晶显示装置，其中所述LED光源通过一散热突出件设置在所述容纳空间内侧，所述反射片设置在所述散热突出件的外部两侧。
  7. 根据权利要求6所述的模块化液晶显示装置，其中所述散热突出件与所述散热器连接。
  8. 根据权利要求1所述的模块化液晶显示装置，其中所述侧面封装结构件朝向所述容纳空间的一侧设置有反射片。
  9. 一种模块化液晶显示装置，其包括第一液晶显示面板、第二液晶显示面板、设置在所述第一液晶显示面板和所述第二液晶显示面板上部的光源模块以及设置在所述第一液晶显示面板和所述第二液晶显示面板侧部的两个侧面封装结构件；所述第一液晶显示面板和所述第二液晶显示面板的下部相互连接；所述第一液晶显示面板、所述第二液晶显示面板、所述光源模块以及两个所述侧面封装结构件构成一封闭的容纳空间；
    其中所述光源模块包括设置在所述容纳空间内侧的LED光源、用于对所述LED光源的出射光进行反射操作的反射片以及设置在所述容纳空间外侧的散热器。
  10. 根据权利要求9所述的模块化液晶显示装置，其中所述LED光源通过光源放置板设置在所述容纳空间内侧，所述反射板设置在相邻LED光源之间。
  11. 根据权利要求10所述的模块化液晶显示装置，其中所述光源放置板上放置距离值较小的区域的LED光源的数量密度大于放置距离值较大的区域的LED光源的数量密度；
    其中所述放置距离值为所述区域与所述第一液晶显示面板的距离，以及所述区域与所述第二液晶显示面板的距离的差值绝对值。
  12. 根据权利要求9所述的模块化液晶显示装置，其中所述LED光源通过一突出件设置在所述容纳空间内侧，所述反射片设置在所述突出件的外部两侧。
  13. 根据权利要求12所述的模块化液晶显示装置，其中所述LED光源均匀的设置在所述突出件的外表面。
  14. 根据权利要求9所述的模块化液晶显示装置，其中所述LED光源通过一散热突出件设置在所述容纳空间内侧，所述反射片设置在所述散热突出件的外部两侧。
  15. 根据权利要求14所述的模块化液晶显示装置，其中所述散热突出件与所述散热器连接。
  16. 根据权利要求9所述的模块化液晶显示装置，其中所述第一液晶显示面板的所在平面和所述第二液晶显示面板的所在平面的夹角小于等于120度。
  17. 根据权利要求9所述的模块化液晶显示装置，其中所述第一液晶显示面板朝向所述容纳空间的一侧设置有第一光学膜片组；所述第二液晶显示面板朝向所述容纳空间的一侧设置有第二光学膜片组。
  18. 根据权利要求9所述的模块化液晶显示装置，其中所述侧面封装结构件朝向所述容纳空间的一侧设置有反射片。
PCT/CN2016/112536 2016-12-05 2016-12-28 模块化液晶显示装置 Ceased WO2018103157A1 (zh)

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