CN106896572A - It is a kind of can be with the liquid crystal display module of adjusting display brightness - Google Patents
It is a kind of can be with the liquid crystal display module of adjusting display brightness Download PDFInfo
- Publication number
- CN106896572A CN106896572A CN201510951358.7A CN201510951358A CN106896572A CN 106896572 A CN106896572 A CN 106896572A CN 201510951358 A CN201510951358 A CN 201510951358A CN 106896572 A CN106896572 A CN 106896572A
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- crystal display
- display module
- control chip
- brightness
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- 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.)
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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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
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- 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
- G09G3/3413—Details of control of colour illumination sources
-
- 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
Abstract
The invention belongs to technical field of liquid crystal display, it is specifically related to a kind of can be with the liquid crystal display module of adjusting display brightness, including backboard, liquid crystal panel and chase, pressure sensor, photo resistance, singlechip control chip are included inside liquid crystal panel 2, pressure sensor, photo resistance are connected with singlechip control chip；Singlechip control chip is connected with the drive circuit in master board；Singlechip control chip is also connected with power supply；By increasing the design of pressure sensor and photo resistance, the function of automatically adjusting brightness of display screen is realized；By increasing light guide plate the design of fixed bit and edge, reach to be installed in liquid crystal display module assembling process and had good positioning, guide-lighting uniform purpose；Therefore, this can be had good positioning with the liquid crystal display module of adjusting display brightness with the function of automatically adjusting brightness of display screen, and installation, and guide-lighting uniform, design science is simple, has a good application prospect and market value.
Description
Technical field
The invention belongs to technical field of liquid crystal display, and in particular to it is a kind of can be with the liquid crystal display module of adjusting display brightness.
Background technology
LCDs, English is commonly referred to as LCD（Liquid Crystal Display）, one kind of flat-panel screens is belonging to, for television set and the screen display of computer；LCDs is a kind of type of display that LCD is used for numeric type clock and watch and many portable computers, LCD shows and has used two panels polarization material, it is between them liquid crystal solution, electric current passes through to rearrange crystal during the liquid, so that light cannot pass through them.At present, the most frequently used liquid crystal display is the liquid crystal display of TFT types, and the liquid crystal display of TFT types is complex：Main composition is including fluorescent tube, light guide plate, Polarizer, filter, glass substrate, alignment film, liquid crystal material, thin mode transistor etc..Liquid crystal display must project light source first with backlight, that is, fluorescent tube first, and these light sources can first pass through a Polarizer and then again by liquid crystal, at this moment the arrangement mode of liquid crystal molecule and then change the light angle for penetrating liquid crystal.Then these light next must also be by the colored filter coating in front and another piece of Polarizer.Stimulate the magnitude of voltage of liquid crystal can just to control the light intensity and color of last appearance as long as therefore we change, and and then can become on liquid crystal panel and dissolve the color of the different depths and be combined with.Therefore, each crystal can allow light to pass through and can obstruct the light just as shutter.
Liquid crystal display（LCD）Current scientific and technological information product all develops towards light, thin, short, small target, and the display product that long history is possessed in computer periphery is certainly no exception.It is being easy to carry with the preceding topic carried, traditional display mode such as CRT crt displays and LED display board etc. are all limited by that volume is excessive or very huge etc. factor of power consumption, it is impossible to reach the actual demand of user.And the development of lcd technology just suits the trend of current information products, either right angle show, low power consumption, small volume or the advantages of zero radiation, user can be allowed to enjoy optimal visual environment.However, with the continuous popularization of liquid crystal display applications, requirement of the people to liquid crystal display also more and more higher, in order to protect the eyesight of user, the especially automatic regulation function requirement to its screen intensity is higher.
The content of the invention
The purpose of the present invention is that the function of overcoming LCDs automatic regulating lightness in the prior art not enough improves the problem having much room for improvement.
Therefore, the invention provides it is a kind of can with the liquid crystal display module of adjusting display brightness, including backboard, the liquid crystal panel that is installed on the backboard and the fixation backboard and the liquid crystal panel chase, the backboard also includes light guide plate, master board, fluorescent tube；Wherein, the light guide plate includes light conducting plate body, is arranged at the fixed bit of the light conducting plate body lower end and is arranged at the edge of the light conducting plate body both sides；Pressure sensor, photo resistance, singlechip control chip are included inside the liquid crystal panel, the pressure sensor, the photo resistance are connected with the singlechip control chip；The singlechip control chip is connected with the drive circuit in the master board；The singlechip control chip is also connected with power supply.
It is above-mentioned it is a kind of can be with the liquid crystal display module of adjusting display brightness, the fluorescent tube can be LED or CCFL fluorescent tubes.
It is above-mentioned it is a kind of can be with the liquid crystal display module of adjusting display brightness, the power supply includes Switching Power Supply and DC/DC converters；The Switching Power Supply is a kind of AC/DC converters, and its effect is that mains 220V is converted into 12V dc sources (some types are 14V, 18V, 24V or 28V), supplies DC/DC converters and hardboard circuit；DC/DC DC converters are used to for the DC voltage (such as 12V) that Switching Power Supply is produced to be converted into 5V, 3.3V, 2.5V voltage, supply driving plate and liquid crystal panel etc. and use.
It is above-mentioned it is a kind of can be installed in the master board with the liquid crystal display module of adjusting display brightness, the DC/DC converters, wherein, the Switching Power Supply of liquid crystal display mainly has two kinds of installation forms：Using external power adapter (Adapter), the voltage of such input display is exactly the DC voltage of power supply adaptor output；In the ad hoc one block of Switching Power Supply plate of display interior, i.e., it is so-called in connect mode, in this manner, the defeated people's of display is alternating current 220V voltage；And the DC/DC converters there can be multiple mounting modes, (Switching Power Supply uses machine inner mold) can also be installed together with switching power supply parts with ad hoc one piece of DC/DC converter plate, can also be installed in master board.
It is above-mentioned it is a kind of can be with the liquid crystal display module of adjusting display brightness, the liquid crystal panel can be touch-typed LCD panel.
Beneficial effects of the present invention：This of present invention offer, by increasing the design of pressure sensor and photo resistance, can realize the function of automatically adjusting brightness of display screen with the liquid crystal display module of adjusting display brightness；By increasing light guide plate in display the design of fixed bit and edge, reach to be installed in liquid crystal display module assembling process and had good positioning, guide-lighting uniform purpose；Therefore, this can with the liquid crystal display module of adjusting display brightness, with the function of automatically adjusting brightness of display screen, and light guide plate design, installation has good positioning, and guide-lighting uniform, design science is simple, has a good application prospect and market value.
The present invention is described in further details below with reference to drawings and Examples.
Brief description of the drawings
Fig. 1 be the present invention it is a kind of can be with the structural representation of the liquid crystal display module of adjusting display brightness.
Fig. 2 is that the present invention is a kind of can connect block diagram with the inside of the adjustable liquid crystal display screen display brightness of the liquid crystal display module of adjusting display brightness.
Fig. 3 be the present invention it is a kind of can be with the structural representation of light guide plate in the liquid crystal display module of adjusting display brightness.
Description of reference numerals：1st, backboard；2nd, liquid crystal panel；3rd, chase；4th, light guide plate；5th, master board；6th, pressure sensor；7th, photo resistance；8th, singlechip control chip；9th, drive circuit；10th, fluorescent tube；4-1, light conducting plate body；4-2, fixed bit；4-3, edge.
Specific embodiment
Technological means and effect that predetermined purpose is taken are reached for the present invention is expanded on further, below in conjunction with drawings and Examples to specific embodiment of the invention, architectural feature and its effect, is described in detail as follows.
As shown in figure 1, it is a kind of can with the structural representation of the liquid crystal display module of adjusting display brightness, including backboard 1, the liquid crystal panel 2 that is installed on backboard 1 and stationary backplate 1 and liquid crystal panel 2 chase 3, backboard 1 also includes light guide plate 4, master board 5, fluorescent tube 10.
As shown in figure 3, a kind of can be with the structural representation of light guide plate in the liquid crystal display module of adjusting display brightness, light guide plate 4 includes light conducting plate body 4-1, is arranged at the fixed bit 4-2 of light conducting plate body 4-1 lower ends and is arranged at the edge 4-3 of light conducting plate body 4-1 both sides；Pressure sensor 6, photo resistance 7, singlechip control chip 8 are included inside liquid crystal panel 2, as shown in Figure 2, a kind of to connect block diagram with the inside of the adjustable liquid crystal display screen display brightness of the liquid crystal display module of adjusting display brightness, pressure sensor 6, photo resistance 7 are connected with singlechip control chip 8；Singlechip control chip 8 is connected with the drive circuit 9 in master board 5；Singlechip control chip 8 is also connected with power supply.
Wherein, fluorescent tube 10 can be LED or CCFL fluorescent tubes, and power supply includes Switching Power Supply and DC/DC converters, and DC/DC converters are installed in the master board 5, and liquid crystal panel 2 can be touch-typed LCD panel.
This kind can be with the liquid crystal display module of adjusting display brightness, photo resistance 7, as the changes in resistance resistance of intensity of illumination changes and then influences to flow through the size of current in circuit, so that the brightness of LCDs changes；Meanwhile, people can also by pressing touch LCD panel, by pressure sensor senses to pressure size change so that change and flow through size of current in circuit, so as to realize adjusting the purpose of brightness of display screen.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to assert that specific implementation of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, should all be considered as belonging to protection scope of the present invention.
Claims (5)
1. a kind of can be with the liquid crystal display module of adjusting display brightness, including backboard（1）, be installed on the backboard（1）On liquid crystal panel（2）And the fixation backboard（1）With the liquid crystal panel（2）Chase（3）, the backboard（1）Also include light guide plate（4）, master board（5）, fluorescent tube（10）；It is characterized in that：The light guide plate（4）Including light conducting plate body（4-1）, be arranged at the light conducting plate body（4-1）The fixed bit of lower end（4-2）Be arranged at the light conducting plate body（4-1）The edge of both sides（4-3）；The liquid crystal panel（2）Inside includes pressure sensor（6）, photo resistance（7）, singlechip control chip（8）, the pressure sensor（6）, the photo resistance（7）With the singlechip control chip（8）Connection；The singlechip control chip（8）With the master board（5）In drive circuit（9）Connection；The singlechip control chip（8）Also it is connected with power supply.
2. it is according to claim 1 it is a kind of can be with the liquid crystal display module of adjusting display brightness, it is characterised in that：The fluorescent tube（10）Can be LED or CCFL fluorescent tubes.
3. it is according to claim 1 it is a kind of can be with the liquid crystal display module of adjusting display brightness, it is characterised in that：The power supply includes Switching Power Supply and DC/DC converters.
4. it is according to claim 3 it is a kind of can be with the liquid crystal display module of adjusting display brightness, it is characterised in that：The DC/DC converters are installed on the master board（5）In.
5. it is according to claim 1 it is a kind of can be with the liquid crystal display module of adjusting display brightness, it is characterised in that：The liquid crystal panel（2）It can be touch-typed LCD panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510951358.7A CN106896572A (en) | 2015-12-19 | 2015-12-19 | It is a kind of can be with the liquid crystal display module of adjusting display brightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510951358.7A CN106896572A (en) | 2015-12-19 | 2015-12-19 | It is a kind of can be with the liquid crystal display module of adjusting display brightness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106896572A true CN106896572A (en) | 2017-06-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510951358.7A Pending CN106896572A (en) | 2015-12-19 | 2015-12-19 | It is a kind of can be with the liquid crystal display module of adjusting display brightness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106896572A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107438306A (en) * | 2017-09-15 | 2017-12-05 | 泾县麦蓝网络技术服务有限公司 | A kind of indoor LED lamp illumination control method and system |
| CN107644624A (en) * | 2017-09-29 | 2018-01-30 | 努比亚技术有限公司 | A kind of method, device and mobile terminal for handling display screen backlight |
| CN107728417A (en) * | 2017-11-10 | 2018-02-23 | 范永浩 | Crystal projection screen |
| CN108200369A (en) * | 2017-11-30 | 2018-06-22 | 苏州腾茂电子科技有限公司 | It is a kind of that there is the television set and its method of work of self-control brightness |
| CN109445159A (en) * | 2018-12-27 | 2019-03-08 | 厦门天马微电子有限公司 | Flexible Displays mould group and its driving method, flexible display apparatus |
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| CN101149509A (en) * | 2006-09-22 | 2008-03-26 | 群康科技(深圳)有限公司 | Backlight module group and liquid crystal display device |
| CN101153967A (en) * | 2006-09-29 | 2008-04-02 | 群康科技(深圳)有限公司 | LCD device |
| CN203311129U (en) * | 2013-05-29 | 2013-11-27 | 东莞市亚星半导体有限公司 | Liquid crystal display screen adjusting brightness automatically |
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2015
- 2015-12-19 CN CN201510951358.7A patent/CN106896572A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101149509A (en) * | 2006-09-22 | 2008-03-26 | 群康科技(深圳)有限公司 | Backlight module group and liquid crystal display device |
| CN101153967A (en) * | 2006-09-29 | 2008-04-02 | 群康科技(深圳)有限公司 | LCD device |
| CN203311129U (en) * | 2013-05-29 | 2013-11-27 | 东莞市亚星半导体有限公司 | Liquid crystal display screen adjusting brightness automatically |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107438306A (en) * | 2017-09-15 | 2017-12-05 | 泾县麦蓝网络技术服务有限公司 | A kind of indoor LED lamp illumination control method and system |
| CN107644624A (en) * | 2017-09-29 | 2018-01-30 | 努比亚技术有限公司 | A kind of method, device and mobile terminal for handling display screen backlight |
| CN107728417A (en) * | 2017-11-10 | 2018-02-23 | 范永浩 | Crystal projection screen |
| CN110597006A (en) * | 2017-11-10 | 2019-12-20 | 范永浩 | Thin liquid crystal projection screen |
| CN107728417B (en) * | 2017-11-10 | 2020-06-05 | 广州西岛电子科技有限公司 | Liquid crystal projection screen |
| CN110597006B (en) * | 2017-11-10 | 2021-09-03 | 范永浩 | Liquid crystal projection screen |
| CN108200369A (en) * | 2017-11-30 | 2018-06-22 | 苏州腾茂电子科技有限公司 | It is a kind of that there is the television set and its method of work of self-control brightness |
| CN109445159A (en) * | 2018-12-27 | 2019-03-08 | 厦门天马微电子有限公司 | Flexible Displays mould group and its driving method, flexible display apparatus |
| CN109445159B (en) * | 2018-12-27 | 2021-07-09 | 厦门天马微电子有限公司 | Flexible display module, driving method thereof and flexible display device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170627 |
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| RJ01 | Rejection of invention patent application after publication |