CN113691751B - Double-sided display television system - Google Patents
Double-sided display television system Download PDFInfo
- Publication number
- CN113691751B CN113691751B CN202110763951.4A CN202110763951A CN113691751B CN 113691751 B CN113691751 B CN 113691751B CN 202110763951 A CN202110763951 A CN 202110763951A CN 113691751 B CN113691751 B CN 113691751B
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- backlight
- plate
- display module
- light control
- display
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- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 7
- 239000000758 substrate Substances 0.000 claims description 13
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
-
- 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
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal 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
- G02F1/133602—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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- 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
- G02F1/133612—Electrical details
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/63—Generation or supply of power specially adapted for television receivers
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention relates to the field of liquid crystal display, in particular to a double-sided display television system, which comprises a main board, a display unit, a power supply, a T-CON driving IC and a time sequence control circuit, wherein the display unit, the power supply, the T-CON driving IC and the time sequence control circuit are connected with the main board, the display module comprises a first display module and a second display module which are oppositely arranged, and the T-CON driving IC is respectively connected with the first display module and the second display module through the time sequence control circuit. The invention has the beneficial effects that: the invention controls the output of the T-CON driving IC through the time sequence control circuit to realize the control of two oppositely arranged liquid crystal display modules by using the same main board and the T-CON driving IC.
Description
Technical Field
The invention relates to the field of liquid crystal display, in particular to a double-sided display television system.
Background
With the continuous enrichment of advertising scenes, the application of double-sided display screens is becoming wider and wider. The current double-sided display screen is operated by a double system. The double power supply module, the double main board and the double T-CON board are used for respectively driving the two screens, the independent modules are more, the space layout of the double-sided display screen and the improvement of the internal heat dissipation problem are not facilitated, and the relative cost is high.
Disclosure of Invention
In order to solve the problem of high cost and high energy consumption of a double-system double-sided display screen, the invention provides a double-sided display television system, which comprises the following specific scheme:
The double-sided display television system comprises a main board, a display unit, a power supply, a T-CON driving IC and a time sequence control circuit, wherein the display unit is connected with the main board and comprises a first display module and a second display module which are oppositely arranged, and the T-CON driving IC is respectively connected with the first display module and the second display module through the time sequence control circuit.
Specifically, the first display module includes superimposed first upper polarizing plate, first image display layer, first polarizing plate, first accuse light board in proper order, the second display module includes superimposed second accuse light board, second polarizing plate, second image display layer, second upper polarizing plate in proper order, is provided with the backlight between first accuse light board and the second accuse light board.
Specifically, the backlight module further comprises a high-voltage frequency converter, and the power supply is connected with the backlight source through the high-voltage frequency converter.
Specifically, the backlight source comprises a backlight source substrate, a first light guide plate and a second light guide plate, wherein the backlight source substrate is positioned between the first light guide plate and the second light guide plate, and the diffuse reflection film is covered on the light guide plate.
Specifically, the backlight substrate comprises a plurality of MLED chips, and the arrangement rule of the MLED chips on the backlight substrate comprises that a single MIED chip is opposite to the luminous direction of the adjacent MLED chips.
Specifically, the first light control plate and the second light control plate comprise liquid crystal light control plates.
Specifically, the backlight module further comprises a TFT driving circuit connected with the main board, and the TFT driving circuit is respectively connected with the first light control plate, the second light control plate and the backlight source through the time sequence control circuit.
The invention has the beneficial effects that:
(1) The invention controls the output of the T-CON driving IC through the time sequence control circuit to realize the control of two oppositely arranged liquid crystal display modules by using the same main board and the T-CON driving IC.
(2) The light intensity of the backlight source can be controlled by arranging the light control layer, so that the contrast ratio of the double-screen display is increased.
(3) The bidirectional light emission of the backlight source can be realized by arranging the single MIED chip and the adjacent MLED chip in a way that the light emission directions of the single MIED chip and the adjacent MLED chip are opposite.
(4) The output of the TFT driving circuit is controlled by the time sequence control circuit, so that the cost of the system is further reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic diagram of a backlight structure.
The specific identification in the figure is as follows:
1. A display unit; 2. a power supply, a 3, T-CON driving IC; 4. a timing control circuit; 5. a backlight; 6. a main board; 7. a TFT driving circuit; 1.1, a first upper polarizing plate; 1.2, a first image display layer; 1.3, a first lower polarizing plate; 1.4, a first light control plate; 1.5, a second light control plate; 1.6, a second lower polarizing plate; 1.7, a second image display layer; 1.8, a second upper polarizing plate; 2.1, a high-voltage frequency converter; 5.1, a first light guide plate; 5.2, a backlight source substrate; and 5.3, a second light guide plate.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention discloses a double-sided display television system, which comprises:
The double-sided display television system is characterized by comprising a main board 6, a display unit 1, a power supply 2, a T-CON driving IC3 and a time sequence control circuit 4, wherein the display unit 1 comprises a first display module and a second display module which are oppositely arranged, and the T-CON driving IC3 is respectively connected with the first display module and the second display module through the time sequence control circuit 4.
The first display module comprises a first upper polarizing plate 1.1, a first image display layer 1.2, a first lower polarizing plate 1.3 and a first light control plate 1.4 which are sequentially overlapped, and the second display module comprises a second light control plate 1.5, a second lower polarizing plate 1.6, a second image display layer 1.7 and a second upper polarizing plate 1.8 which are sequentially overlapped, wherein a backlight source 5 is arranged between the first light control plate 1.4 and the second light control plate 1.5.
The backlight module further comprises a high-voltage frequency converter 2.1, and the power supply 2 is connected with the backlight source 5 through the high-voltage frequency converter 2.1.
The backlight 5 comprises a backlight substrate 5.2, a first light guide plate 5.1 and a second light guide plate 5.3, wherein the backlight substrate 5.2 is positioned between the first light guide plate 5.1 and the second light guide plate 5.3, and the diffuse reflection film is covered on the light guide plates.
The backlight substrate 5.2 comprises a plurality of MLED chips, and the arrangement rule of the MLED chips on the backlight substrate 5.2 comprises that a single MIED chip is opposite to the light emitting direction of its adjacent MLED chips.
The first light control plate and the second light control plate comprise liquid crystal light control plates.
The LED backlight module further comprises a TFT driving circuit 7 connected with the main board 6, and the TFT driving circuit 7 is respectively connected with the first light control board, the second light control board and the backlight source 5 through the time sequence control circuit 4.
Although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (1)
1. The double-sided display television system is characterized by comprising a main board (6), a display unit (1), a power supply (2), a T-CON driving IC (3) and a time sequence control circuit (4), wherein the display unit (1) comprises a first display module and a second display module which are oppositely arranged, and the T-CON driving IC (3) is respectively connected with the first display module and the second display module through the time sequence control circuit (4);
The backlight module further comprises a high-voltage frequency converter (2.1), and the power supply (2) is connected with the backlight source (5) through the high-voltage frequency converter (2.1);
The backlight (5) comprises a backlight substrate (5.2), a first light guide plate (5.1) and a second light guide plate (5.3), wherein the backlight substrate (5.2) is positioned between the first light guide plate (5.1) and the second light guide plate (5.3), and diffuse reflection films are covered on the first light guide plate (5.1) and the second light guide plate (5.3);
The first display module comprises a first upper polarizing plate (1.1), a first image display layer (1.2), a first lower polarizing plate (1.3) and a first light control plate (1.4) which are sequentially overlapped, the second display module comprises a second light control plate (1.5), a second lower polarizing plate (1.6), a second image display layer (1.7) and a second upper polarizing plate (1.8) which are sequentially overlapped, and a backlight source (5) is arranged between the first light control plate (1.4) and the second light control plate (1.5);
The backlight substrate (5.2) comprises a plurality of MLED chips, and the arrangement rule of the MLED chips on the backlight substrate (5.2) comprises that a single MIED chip is opposite to the luminous direction of the adjacent MLED chips;
the first light control plate (1.4) and the second light control plate (1.5) comprise liquid crystal light control plates;
The LED backlight module further comprises a TFT driving circuit (7) connected with the main board (6), and the TFT driving circuit (7) is respectively connected with the first light control board (1.4), the second light control board (1.5) and the backlight source (5) through the time sequence control circuit (4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110763951.4A CN113691751B (en) | 2021-07-06 | 2021-07-06 | Double-sided display television system |
Applications Claiming Priority (1)
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CN202110763951.4A CN113691751B (en) | 2021-07-06 | 2021-07-06 | Double-sided display television system |
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CN113691751A CN113691751A (en) | 2021-11-23 |
CN113691751B true CN113691751B (en) | 2024-05-10 |
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CN202110763951.4A Active CN113691751B (en) | 2021-07-06 | 2021-07-06 | Double-sided display television system |
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Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05142540A (en) * | 1991-11-18 | 1993-06-11 | Alps Electric Co Ltd | Liquid crystal display device |
JP2006058719A (en) * | 2004-08-23 | 2006-03-02 | Fujitsu Kasei Kk | Double-face image display apparatus |
KR20070067959A (en) * | 2005-12-26 | 2007-06-29 | 삼성전자주식회사 | Backlight unit and liquid crystal display module including the same |
CN101645246A (en) * | 2009-09-01 | 2010-02-10 | 广州视景显示技术研发有限公司 | Front-back-display liquid crystal display system and playing control method |
CN105042407A (en) * | 2015-06-24 | 2015-11-11 | 南京中电熊猫液晶显示科技有限公司 | Direct-type LED (Light-Emitting Diode) backlight unit |
CN105931610A (en) * | 2016-07-11 | 2016-09-07 | 深圳市华星光电技术有限公司 | Double-sided display screen driving circuit and double-sided display device |
CN205979310U (en) * | 2016-08-31 | 2017-02-22 | 深圳市赫尔诺电子技术有限公司 | Luminous two -sided lamp strip of LED of side |
CN207334388U (en) * | 2017-06-22 | 2018-05-08 | 深圳市瑞丰光电子股份有限公司 | One kind is based on display device LED backlight module and display device |
CN108110032A (en) * | 2017-12-12 | 2018-06-01 | 深圳市华星光电技术有限公司 | Double-sided OLED display and preparation method thereof |
CN109275232A (en) * | 2018-11-09 | 2019-01-25 | 北京明瑞之光科技有限公司 | A kind of internet synchronous broadcast method for LED Landscape Lighting system |
CN109949717A (en) * | 2019-04-25 | 2019-06-28 | 广西天山电子股份有限公司 | Combined LCD |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012118382A (en) * | 2010-12-02 | 2012-06-21 | Panasonic Liquid Crystal Display Co Ltd | Liquid crystal display device |
JP2014085653A (en) * | 2012-10-26 | 2014-05-12 | Funai Electric Co Ltd | Display device |
-
2021
- 2021-07-06 CN CN202110763951.4A patent/CN113691751B/en active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05142540A (en) * | 1991-11-18 | 1993-06-11 | Alps Electric Co Ltd | Liquid crystal display device |
JP2006058719A (en) * | 2004-08-23 | 2006-03-02 | Fujitsu Kasei Kk | Double-face image display apparatus |
KR20070067959A (en) * | 2005-12-26 | 2007-06-29 | 삼성전자주식회사 | Backlight unit and liquid crystal display module including the same |
CN101645246A (en) * | 2009-09-01 | 2010-02-10 | 广州视景显示技术研发有限公司 | Front-back-display liquid crystal display system and playing control method |
CN105042407A (en) * | 2015-06-24 | 2015-11-11 | 南京中电熊猫液晶显示科技有限公司 | Direct-type LED (Light-Emitting Diode) backlight unit |
CN105931610A (en) * | 2016-07-11 | 2016-09-07 | 深圳市华星光电技术有限公司 | Double-sided display screen driving circuit and double-sided display device |
CN205979310U (en) * | 2016-08-31 | 2017-02-22 | 深圳市赫尔诺电子技术有限公司 | Luminous two -sided lamp strip of LED of side |
CN207334388U (en) * | 2017-06-22 | 2018-05-08 | 深圳市瑞丰光电子股份有限公司 | One kind is based on display device LED backlight module and display device |
CN108110032A (en) * | 2017-12-12 | 2018-06-01 | 深圳市华星光电技术有限公司 | Double-sided OLED display and preparation method thereof |
CN109275232A (en) * | 2018-11-09 | 2019-01-25 | 北京明瑞之光科技有限公司 | A kind of internet synchronous broadcast method for LED Landscape Lighting system |
CN109949717A (en) * | 2019-04-25 | 2019-06-28 | 广西天山电子股份有限公司 | Combined LCD |
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CN113691751A (en) | 2021-11-23 |
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