CN213303612U - Display screen structure, liquid crystal display screen and display device - Google Patents
Display screen structure, liquid crystal display screen and display device Download PDFInfo
- Publication number
- CN213303612U CN213303612U CN202022051732.7U CN202022051732U CN213303612U CN 213303612 U CN213303612 U CN 213303612U CN 202022051732 U CN202022051732 U CN 202022051732U CN 213303612 U CN213303612 U CN 213303612U
- Authority
- CN
- China
- Prior art keywords
- display screen
- demura
- central control
- display
- printed circuit
- 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.)
- Active
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 2
- 238000013497 data interchange Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Images
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The utility model provides a display screen structure, liquid crystal display and display device, wherein the display screen structure, include: the central control panel, the main board, the display assembly and the demura IC; one end of the central control board is connected with the display component, and the central control board is used for converting the received image data signals into signals for driving a liquid crystal screen and transmitting the signals to the display component; the main board is connected with the other end of the central control board, and is provided with one or more interfaces for connecting with external equipment; the demura IC is respectively connected with the mainboard and the display assembly in a data mode. The utility model has the advantages that: the compensation data can be written in without designing an additional wiring terminal for the central control panel, and the design cost of the product is saved.
Description
Technical Field
The utility model relates to a display screen field, in particular to display screen structure, liquid crystal display and display device.
Background
At present, in order to make the picture displayed by the display screen more uniform, the display screen is generally subjected to demura compensation. The writing process of the compensation data is usually to additionally arrange a terminal connected to an external device on the central control board, and input the compensation data into the central control board, and transmit the compensation data from the central control board to the demura IC.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a display screen structure aims at solving and needs additionally design binding post on central control panel, has increased product cost's problem.
The utility model provides a display screen structure, include: the central control panel, the main board, the display assembly and the demura IC;
one end of the central control board is connected with the display component, and the central control board is used for converting the received image data signals into signals for driving a liquid crystal screen and transmitting the signals to the display component;
the main board is connected with the other end of the central control board, and is provided with one or more interfaces for connecting with external equipment;
the demura IC is respectively connected with the mainboard and the display assembly in a data mode.
Further, the display assembly comprises a horizontal printed circuit board and a display screen;
the display screen is connected with the horizontal printed circuit board through a chip on film, the horizontal printed circuit board is connected with the central control panel through a flexible printed circuit board, and the display screen is in data connection with the demura IC.
Furthermore, the demura IC is arranged on the horizontal printed circuit board and is in data connection with the horizontal printed circuit board, and the demura IC is in data connection with the main board through the horizontal printed circuit board and the central control board.
Furthermore, the demura IC is arranged on the mainboard and is directly connected with the mainboard in a data mode.
Further, the demura IC is integrally arranged on the mainboard.
Further, the mainboard comprises a mainboard chip, the central control board comprises a control chip, and the mainboard chip is connected with the control chip.
Furthermore, the mainboard chip is connected with the control chip through a flexible printed circuit board.
Further, the interface includes a USB interface and an RS232 interface, and the USB interface and the RS232 interface are respectively connected to the motherboard chip.
The utility model also provides a liquid crystal display, including above-mentioned arbitrary display screen structure.
The utility model also provides a display device, including above-mentioned arbitrary display screen structure.
The utility model has the advantages that: the interface on the mainboard is connected with external equipment, writes in the compensation data to demura IC through the mainboard, and then demura IC adjusts display device according to received compensation data to realized need not to the extra binding post of central control panel design, just can write in the compensation data, saved the design cost of product.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a display screen structure of the present invention;
fig. 2 is a schematic structural diagram of another embodiment of the display screen structure of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is also changed accordingly, and the connection may be a direct connection or an indirect connection.
The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and B, may mean: a exists alone, A and B exist simultaneously, and B exists alone.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
It should be noted that, due to the limitation of the crystallization process, at different positions on the large-area glass substrate (i.e. the liquid crystal panel), there are non-uniformities in the electrical parameters such as threshold voltage, mobility, etc., and such non-uniformities can be converted into current differences and brightness differences of the display device and be perceived by human eyes, i.e. mura phenomenon. In order to overcome this phenomenon, generally divide into inside compensation and outside compensation, and the utility model discloses a demura then is the method of outside compensation, and demura is an optics extraction formula method, and it means draws out the luminance signal through the method of optics CCD photograph after lightening the backplate, then discerns corresponding mura (the colour difference that any people's eyes can discern on the panel) according to the correlation algorithm in demura IC, produces the demura data according to mura data and compensates large tracts of land glass substrate.
Referring to fig. 1-2, the utility model provides a display screen structure, include: a central control board 6, a main board 7, a display assembly and a Demura IC 4 (integrated circuit chip for storing Demura data documents); one end of the central control board 6 is connected with the display component, and the central control board 6 is used for converting the received image data signal into a signal for driving the liquid crystal screen and transmitting the signal to the display component; the main board 7 is connected with the other end of the central control board 6, and the main board 7 is provided with one or more interfaces which are used for connecting with the external equipment 100; the demura IC 4 is respectively connected with the mainboard 7 and the display component in a data mode.
In this embodiment, because mainboard 7 has a plurality of interfaces, consequently can be connected mainboard 7 and central control panel 6, be connected with external equipment 100 through the interface on the mainboard 7, wherein, this external equipment 100 generally is the Demura equipment, the offset data of Demura has, write in the offset data to Demura IC 4 through mainboard 7, then Demura IC 4 adjusts the display screen according to received offset data, thereby realized need not to design extra binding post to central control panel 6, just can write in the offset data, saved the design cost of product.
In this embodiment, the display assembly includes a horizontal printed circuit board 3 and a display screen 1; the display screen 1 is connected with a horizontal printed circuit board 3 through a chip on film 2, the horizontal printed circuit board 3 is connected with a central control panel 6 through a flexible printed circuit board 5, and the display screen 1 is in data connection with a demura IC 4.
In this embodiment, display module generally includes horizontal printed circuit board 3 and display screen 1, flip chip film 2 can fix integrated circuit in the flexible line way board, can realize the data interchange of display screen 1 and horizontal printed circuit board 3 complicacies, and can realize the data interchange between horizontal printed circuit board 3 and the mainboard 7 through flexible printed circuit board 5, mainboard 7 can transmit received compensation data for demura IC 4, demura IC 4 preserves corresponding compensation data, when needs adjust, demura IC 4 sends compensation signal according to compensation data again and carries out compensation control to the display screen.
Referring to fig. 1, in one embodiment, demura ICs 4 are mounted on a horizontal printed circuit board 3 and are in data connection with the horizontal printed circuit board 3, and demura ICs 4 are in data connection with a main board 7 through the horizontal printed circuit board 3 and a central control board 6.
In one embodiment, the demura IC 4 may be disposed on the horizontal printed circuit board 3 and in data connection with the horizontal printed circuit board 3, when the main board 7 receives the compensation data, the compensation data is transmitted to the horizontal printed circuit board 3 via the central control board 6, and then transmitted to the demura IC 4 by the horizontal printed circuit board 3, when the demura IC 4 is required to compensate the display screen 1, the compensation signal is transmitted to the horizontal printed circuit board 3, and the horizontal printed circuit board 3 transmits the corresponding signal to the display screen 1, thereby implementing compensation control of the display screen 1.
Referring to fig. 2, in another embodiment, the demura IC 4 is disposed on the motherboard 7 and is directly connected to the motherboard 7. demura IC 4 can directly set up on mainboard 7 to with mainboard 7 data connection, because it is that mainboard 7 interface is connected with external equipment 100, so in the write-in process of compensation data, can directly write in demura IC 4 via mainboard 7, need not through central control board 6, do not receive central control board 6 transmission rate's restriction, make the rate of writing in faster, efficiency is higher.
In this embodiment, the demura IC 4 is integrally disposed on the motherboard 7. In order to facilitate better fixing of demura IC 4, the installation time and space for setting the demura IC 4 are saved, the demura IC 4 is integrally arranged on the main board 7, and the time for installing the demura IC 4 by an operator is saved.
In this embodiment, the main board 7 includes a main board chip, the central control board 6 includes a control chip, and the main board chip is connected to the control chip. Since the main board 7 has a main board chip and the central control board 6 has a control chip, the main board 7 and the central control board 6 can be directly connected in order to realize data communication between the main board 7 and the central control board 6.
In this embodiment, the motherboard 7 is connected to the control chip via the flexible printed circuit board 5. The mainboard 7 chip and the control chip can be connected through the flexible printed circuit board 5 to realize the communication of data.
In this embodiment, the interface includes a USB interface and an RS232 interface, and the USB interface and the RS232 interface are respectively connected to the motherboard 7 chip. Since different external devices 100 may have different types of connectors, the main board 7 generally has multiple types of interfaces, such as a common USB interface and an RS232 interface, through which connection with the common external device 100 can be achieved to implement data writing.
The utility model also provides a liquid crystal display, including the display screen structure of as above arbitrary embodiment. The detailed structure of the display screen structure is not described in detail.
The utility model also provides a display device, including the display screen structure of as above arbitrary embodiment. The detailed structure of the display screen structure is not described in detail.
The utility model has the advantages that: be connected with external equipment 100 through the interface on mainboard 7, write in the compensation data to demura IC 4 through mainboard 7 in, then demura IC 4 adjusts display device according to received compensation data to realized need not to design extra binding post to central control panel 6, just can write in compensation data, saved the design cost of product.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. A display screen structure, comprising: the central control panel, the main board, the display assembly and the demura IC;
one end of the central control board is connected with the display component, and the central control board is used for converting the received image data signals into signals for driving a liquid crystal screen and transmitting the signals to the display component;
the main board is connected with the other end of the central control board, and is provided with one or more interfaces for connecting with external equipment;
the demura IC is respectively connected with the mainboard and the display assembly in a data mode.
2. The display screen structure of claim 1, wherein the display assembly comprises a horizontal printed circuit board and a display screen;
the display screen is connected with the horizontal printed circuit board through a chip on film, the horizontal printed circuit board is connected with the central control panel through a flexible printed circuit board, and the display screen is in data connection with the demura IC.
3. The display screen structure of claim 2, wherein the demura IC is disposed on and in data connection with the horizontal printed circuit board, and wherein the demura IC is in data connection with the main board through the horizontal printed circuit board and the central control board.
4. The display screen structure of claim 1, wherein the demura IC is disposed on the motherboard and is in data connection with the motherboard.
5. The display screen structure of claim 4, wherein the demura IC is integrally disposed on the motherboard.
6. The display screen structure of claim 1, wherein the motherboard comprises a motherboard chip, the central control board comprises a control chip, and the motherboard chip is connected to the control chip.
7. The display screen structure of claim 6, wherein the motherboard chip and the control chip are connected by a flexible printed wiring board.
8. The display screen structure of claim 6, wherein the interface comprises a USB interface and an RS232 interface, and the USB interface and the RS232 interface are respectively connected with the mainboard chip.
9. A liquid crystal display comprising the display structure of any one of claims 1-8.
10. A display device comprising a display screen structure according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022051732.7U CN213303612U (en) | 2020-09-17 | 2020-09-17 | Display screen structure, liquid crystal display screen and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022051732.7U CN213303612U (en) | 2020-09-17 | 2020-09-17 | Display screen structure, liquid crystal display screen and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213303612U true CN213303612U (en) | 2021-05-28 |
Family
ID=76031962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022051732.7U Active CN213303612U (en) | 2020-09-17 | 2020-09-17 | Display screen structure, liquid crystal display screen and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213303612U (en) |
-
2020
- 2020-09-17 CN CN202022051732.7U patent/CN213303612U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9313446B2 (en) | Display apparatus for displaying video input through various ports | |
| US8009160B2 (en) | Circuit for timing controller | |
| US7256802B2 (en) | Liquid crystal display module and liquid crystal display apparatus having the same | |
| US7354275B2 (en) | Graphics card connector module, and motherboard device having the same | |
| US20100097370A1 (en) | Driving System of Liquid Crystal Display | |
| US20020060655A1 (en) | Liquid crystal display device | |
| CN101900897B (en) | Liquid crystal display device | |
| US6937258B2 (en) | Flat panel display device | |
| EP2166530A2 (en) | Liquid crystal display and display system comprising the same | |
| CN101615320A (en) | A kind of commercial cash register | |
| US11822742B2 (en) | Touch display device | |
| CN213303612U (en) | Display screen structure, liquid crystal display screen and display device | |
| KR100423135B1 (en) | Lcd module using low-voltage differential signaling and system thereof | |
| CN108053795B (en) | Chip on film circuit board, display device and signal processing method | |
| US8228280B2 (en) | Timing control circuit | |
| CN112639663B (en) | Display device and electronic apparatus | |
| CN213581659U (en) | Liquid crystal module with built-in TCON board and electronic equipment | |
| CN213768399U (en) | Automobile electronic outside rear-view mirror control system | |
| CN216929118U (en) | Novel EDP physics switching structure | |
| CN112150954B (en) | Electronic device | |
| KR20110003156A (en) | Liquid crystal display device | |
| CN209859595U (en) | Reinforced liquid crystal display | |
| JP3191027U (en) | Information processing device | |
| CN212847631U (en) | Liquid crystal display screen control device and liquid crystal television | |
| KR100800686B1 (en) | Lcd module and liquid crystal display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |