CN212873893U - Display device and displayer - Google Patents
Display device and displayer Download PDFInfo
- Publication number
- CN212873893U CN212873893U CN202021577077.2U CN202021577077U CN212873893U CN 212873893 U CN212873893 U CN 212873893U CN 202021577077 U CN202021577077 U CN 202021577077U CN 212873893 U CN212873893 U CN 212873893U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- transmitted
- flat cable
- display panel
- chip
- 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
Images
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The application discloses a display device and a display, wherein the display device comprises a display panel; a source electrode driving circuit board; the first circuit board is connected with the display panel through the source electrode driving circuit board; the second circuit board is connected with the display panel through the source electrode driving circuit board; at least two flat cables; the system circuit board is respectively connected with the first circuit board and the second circuit board through flat cables; the control signal output by the first circuit board is transmitted to the system circuit board through the flat cable, and the system circuit board is transmitted to the second circuit board through another flat cable. The signal transmitted by the first circuit board is transmitted to the second circuit board through the system circuit board to enhance the signal strength or accelerate the signal transmission rate, so that the strength and delay of the signal output to the display panel by the first circuit board and the second circuit board are approximately equal, and the two halves of the display panel are prevented from forming color difference, thereby the display of the display panel is more uniform, and the display effect is improved.
Description
Technical Field
The present application relates to the field of display technologies, and in particular, to a display device and a display.
Background
The display panel with features of lightness, thinness, low power consumption, etc. is rapidly approved and popularized by the market and consumers, and with the preference of customers for narrow frames, the GDL (Gate Driver Less) technology is more approved by the market for panel factories. The GDL technology replaces the conventional technology of using a COF (Chip On Film) to carry a gate driver Chip, and the gate driver circuit is disposed On the substrate to realize the progressive scanning function.
The control signals required by the GDL circuit need to be transmitted from one circuit board to another circuit board, and the signals are transmitted through the connector, so that the design is complicated, and the cost is increased.
SUMMERY OF THE UTILITY MODEL
The purpose of the application is to provide a display device and a display, which are simplified in design and cost-saving.
The application discloses a display device, comprising a display panel; a source electrode driving circuit board; the first circuit board is connected with the display panel through the source electrode driving circuit board; the second circuit board is connected with the display panel through the source electrode driving circuit board; at least two flat cables; the system circuit board is respectively connected with the first circuit board and the second circuit board through flat cables; the control signal output by the first circuit board is transmitted to the system circuit board through the flat cable, and the system circuit board transmits the control signal to the second circuit board through another flat cable.
Optionally, the first circuit board and the second circuit board are symmetrically arranged in parallel to the edge of the display panel.
Optionally, the first circuit board includes a level converter chip and a gamma chip, signals output by the level converter chip and the gamma chip are transmitted to the system circuit board through one flat cable, and the system circuit board is transmitted to the second circuit board through another flat cable.
Optionally, the control signal output by the level shifter chip is transmitted through the trace at the edge of the flat cable.
Optionally, the control signal output by the gamma chip is transmitted through a trace at the edge of the flat cable.
Optionally, the signals output by the system circuit board are respectively transmitted to the first circuit board and the second circuit board through the two flat cables.
Optionally, a distance between the two flat cables is greater than a distance between the first circuit board and the second circuit board.
Optionally, the first circuit board includes a level shifter chip, the second circuit board includes a gamma chip, and a control signal output by the level shifter chip of the first circuit board is transmitted to the system circuit board through the flat cable and then transmitted to the second circuit board through another flat cable; the control signal output by the gamma chip of the second circuit board is transmitted to the system circuit board through the flat cable and then transmitted to the first circuit board through the other flat cable.
The application also discloses a display device, which comprises a display panel; a source electrode driving circuit board; the first circuit board is connected with the display panel through the source electrode driving circuit board; the source electrode driving circuit board is connected with the display panel through a second circuit board; two flexible flat cables; a system circuit board connected to the first circuit board and the second circuit board through the flexible flat cable; the first circuit board comprises a level converter chip and a gamma chip, control signals output by the level converter chip and the gamma chip are transmitted to the system circuit board through the flexible flat cable, and the system circuit board is transmitted to the second circuit board through the other flexible flat cable.
The application also discloses a display, which comprises the display device.
For the scheme that the first circuit board transmits the control signal to the second circuit board through the connector, the application sets up two at least winding displacement on the system circuit board, the system circuit board is connected first circuit board and second circuit board respectively through two winding displacement, first circuit board transmits the control signal to the second circuit board through the system circuit board, can save the connector, simplify the design, save cost, simultaneously, the signal that first circuit board transmitted can strengthen signal intensity or accelerate signal transmission rate through the system circuit board, then transmit to the second circuit board, can make the intensity and the delay of the signal that first circuit board and second circuit board output to the display panel approach to equal like this, prevent that display panel two halves part from forming the colour difference, thereby make the display of display panel more even, improve the display effect.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the application, are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic diagram of an exemplary display device configuration;
FIG. 2 is a schematic view of a display according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a display device structure according to an embodiment of the present application;
fig. 4 is a schematic diagram of a display device structure according to another embodiment of the present application.
100, a display; 110. a housing; 200. a display device; 210. a display panel; 211. a gate circuit; 220. a source electrode driving circuit board; 230. a first circuit board; 231. a level shifter chip; 232. a gamma chip; 240. a second circuit board; 250. a system circuit board; 260. arranging wires; 270. a connector is provided.
Detailed Description
It is to be understood that the terminology, the specific structural and functional details disclosed herein are for the purpose of describing particular embodiments only, and are representative, but that the present application may be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.
In the description of the present application, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating relative importance or as implicitly indicating the number of technical features indicated. Thus, unless otherwise specified, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; "plurality" means two or more. The terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that one or more other features, integers, steps, operations, elements, components, and/or combinations thereof may be present or added.
Further, terms of orientation or positional relationship indicated by "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, are described based on the orientation or relative positional relationship shown in the drawings, are simply for convenience of description of the present application, and do not indicate that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.
Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, fixed connections, removable connections, and integral connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The application is further described with reference to the drawings and alternative embodiments.
As shown in fig. 1, an exemplary display device 200 includes a display panel 210, a source driving circuit board 220, a first circuit board 230, a second circuit board 240, a system circuit board 250, two bus lines 260 and a connector 270, the display panel 210 includes a gate circuit 211, the first circuit board 230 and the second circuit board 240 are connected to the display panel 210 through the source driving circuit board 220, one of the connectors 270 is connected between the first circuit board 230 and the second circuit board 240, the system circuit board 250 is connected to the first circuit board 230 and the second circuit board 240 by two flat cables 260, the first circuit board 230 includes a level shifter chip 231 and a gamma chip 232, the control signals output by the level shifter chip 231 and the gamma chip 232 are transmitted to the second circuit board 240 through the connector 270 to drive the gate circuit 211 to operate. Such a design requires a connector 270 to be provided between the first circuit board 230 and the second circuit board 240, and it is complicated to provide a signal transmission circuit on the connector 270.
As shown in fig. 2 and 3, the present application discloses a display 100, the display 100 includes a display device 200 and a housing 110, the display device 200 includes a display panel 210; a source driving circuit board 220; a first circuit board 230 and a second circuit board 240 connected to the display panel 210 through the source driving circuit board 220; at least two flat cables 260; a system circuit board 250 connected to the first circuit board 230 and the second circuit board 240 by a flat cable 260; the control signal output by the first circuit board 230 is transmitted to the system circuit board 250 through the flat cable 260, and the system circuit board 250 transmits the control signal to the second circuit board 240 through another flat cable 260; similarly, the control signal output by the second circuit board 240 is also transmitted to the first circuit board 230 through the system circuit board 250; the flat cable 260 is used for connection between the first circuit board 230 and the system circuit board 250 and connection between the second circuit board 240 and the system circuit board 250, thereby implementing fine control of signals. The system circuit board 250 can enhance the signal strength and increase the signal transmission rate.
Compared with the scheme shown in fig. 1, the present application arranges at least two flat cables 260 on the system circuit board 250, the system circuit board 250 is respectively connected with the first circuit board 230 and the second circuit board 240 through the two flat cables 260, the first circuit board 230 and the second circuit board 240 transmit control signals to each other through the system circuit board 250, which can save the connector 270, simplify the design, save the cost, meanwhile, the signals transmitted by the first circuit board 230 can be transmitted to the second circuit board 240 through the system circuit board 250 to enhance the signal strength or increase the signal transmission rate, so that the strength and delay of the signals output to the display panel 210 by the first circuit board 230 and the second circuit board 240 can be approximately equal, and the two half parts of the display panel 210 are prevented from forming color difference, thereby making the display of the display panel 210 more uniform, and improving the display effect.
The display panel 210 includes a gate circuit 211, the first circuit board 230 includes a level shifter chip 231 and a gamma chip 232, the gate circuit 211 corresponding to the second circuit board 240 needs to operate to provide a control signal for the level shifter chip and the gamma chip 232, the control signal output by the level shifter chip 231 and the gamma chip 232 is transmitted to the system circuit board 250 through a flat cable 260, and then the system circuit board 250 is transmitted to the second circuit board 240 through another flat cable 260 to drive the gate circuit 211 corresponding to the second circuit board 240 to operate. The level shifter chip 231 and the gamma chip 232 disposed on the first circuit board 230 transmit the control signal through the system circuit board 250 without disposing the connector 270 between the first circuit board 230 and the second circuit board 240 and without designing a circuit for transmitting the control signal on the connector 270, thereby saving the connector 270 and simplifying the circuit, and reducing the cost of production and design.
The control signals output by the level shifter chip 231 and the gamma chip 232 are transmitted through the wires at the edge of the flat cable 260, so that the original wire sequence can be prevented from being disturbed, the wires are added at the edge of the flat cable 260 under the original wire sequence, the interface sequence of each circuit board and the flat cable is not required to be re-planned, the process is saved, and the manufacturing process is simplified.
Specifically, the first circuit board 230 and the second circuit board 240 are symmetrically arranged parallel to the edge of the display panel 210, and the signals output by the system circuit board 250 are respectively transmitted to the first circuit board 230 and the second circuit board 240 through the two flat cables 260, so that the lengths of the paths output by the system circuit board 250 to the first circuit board 230 and the second circuit board 240 are the same, the signals are transmitted more uniformly, the signal delays are synchronized, the display delays of the display panels 210 corresponding to the two circuit boards are synchronized, and the display effect is better. Then, the distance between the two flat cables 260 is greater than the distance between the first circuit board 230 and the second circuit board 240, so that the circuit connected with the flat cables 260 on the circuit board is prevented from being arranged at the edge of the circuit board, and the metal wires are prevented from being broken due to friction or being exposed in the air to cause short circuit. One end of the flat cable 260 is perpendicular to the first circuit board 230 or the second circuit board 240, and the other end is perpendicular to the system circuit board 250, and the flat cable 260 is vertically arranged between the system circuit board 250 and the circuit board, so that the length of the flat cable 260 is shortened to the minimum, thereby shortening the signal transmission path, reducing the signal loss, saving the manufacturing material of the flat cable 260 and saving the cost.
More specifically, winding displacement 260 is flexible flat cable, and it has softness, random bending folding, thickness is thin, small, connect simple, dismantle convenient, easily solve characteristics such as electromagnetic shield, can select wire figure and interval wantonly, makes the line connection more convenient, and the volume of the point product that significantly reduces manufacturing cost, improves production efficiency. Of course, the flat cable 260 may be other materials such as an fpc (flexible Printed Circuit board) flexible Circuit board. The system circuit board includes a system chip through which transmission of a signal is controlled.
As shown in fig. 4, in an embodiment, the first circuit board 230 includes a level shifter chip 231, the second circuit board 240 includes a gamma chip 232, and the control signal output by the level shifter chip 231 of the first circuit board 230 is transmitted to the system circuit board 250 through the flat cable 260 and then transmitted to the second circuit board 240 through another flat cable 260; the control signal output by the gamma chip 232 of the second circuit board 240 is transmitted to the system circuit board 250 through the flat cable 260 and then transmitted to the first circuit board 230 through the other flat cable 260, so that a connector 270 does not need to be arranged between the first circuit board 230 and the second circuit board 240, and a circuit for transmitting the control signal does not need to be designed on the connector 270, thereby saving the connector 270 and simplifying the circuit, and saving the cost. Of course, the gamma chip 232 may be disposed on the first circuit board 230, and the level shifter chip 231 may be disposed on the second circuit board 240.
As shown in fig. 3, as another embodiment of the present application, a display device is disclosed, including a display panel 210; a source driving circuit board 220; a first circuit board 230 connected to the display panel 210 through the source driving circuit board 220; the second circuit board 240 is connected with the display panel 210 through the source driving circuit board 220; two flexible flat cables; a system circuit board 250 connected to the first circuit board 230 and the second circuit board 240 through the flexible flat cable, respectively; the first circuit board 230 includes a level shifter chip 231 and a gamma chip 232, control signals output from the level shifter chip 231 and the gamma chip 232 are transmitted to the system circuit board 250 through the flexible flat cable, and the system circuit board 250 is transmitted to the second circuit board 240 through another flexible flat cable. Therefore, the connector 270 does not need to be arranged between the first circuit board 230 and the second circuit board 240, and a circuit for controlling signal transmission does not need to be designed on the connector 270, so that the connector 270 can be saved, the circuit can be simplified, and the cost can be saved.
The technical solution of the present application can be widely applied to various display panels, such as a Twisted Nematic (TN) display panel, an In-Plane Switching (IPS) display panel, a Vertical Alignment (VA) display panel, and a Multi-Domain Vertical Alignment (MVA) display panel, and of course, other types of display panels, such as an Organic Light-Emitting Diode (OLED) display panel, can also be applied to the above solution.
The foregoing is a more detailed description of the present application in connection with specific alternative embodiments, and the present application is not intended to be limited to the specific embodiments shown. For those skilled in the art to which the present application pertains, several simple deductions or substitutions may be made without departing from the concept of the present application, and all should be considered as belonging to the protection scope of the present application.
Claims (10)
1. A display device, comprising:
a display panel;
a source electrode driving circuit board;
the first circuit board is connected with the display panel through the source electrode driving circuit board;
the second circuit board is connected with the display panel through the source electrode driving circuit board;
at least two flat cables; and
the system circuit board is respectively connected with the first circuit board and the second circuit board through the flat cables;
the control signal output by the first circuit board is transmitted to the system circuit board through the flat cable, and the system circuit board transmits the control signal to the second circuit board through another flat cable.
2. The display device according to claim 1, wherein the first circuit board and the second circuit board are symmetrically arranged parallel to an edge of the display panel.
3. The display device as claimed in claim 1, wherein the first circuit board comprises a level shifter chip and a gamma chip, signals output from the level shifter chip and the gamma chip are transmitted to the system circuit board through one of the flat cables, and the system circuit board is transmitted to the second circuit board through another flat cable.
4. A display device according to claim 3, wherein the control signal outputted from the level shifter chip is transmitted through a trace at the edge of the flat cable.
5. The display device of claim 3, wherein the control signals output by the gamma chips are transmitted via traces at the edges of the flat cables.
6. The display device according to claim 1, wherein the signals outputted from the system circuit board are transmitted to the first circuit board and the second circuit board through two of the flat cables, respectively.
7. The display device according to claim 6, wherein a distance between two of the flat cables is larger than a distance between the first circuit board and the second circuit board.
8. The display device according to claim 1, wherein the first circuit board comprises a level shifter chip, the second circuit board comprises a gamma chip, and a control signal output from the level shifter chip of the first circuit board is transmitted to the system circuit board via the flat cable and then transmitted to the second circuit board via another flat cable;
the control signal output by the gamma chip of the second circuit board is transmitted to the system circuit board through the flat cable and then transmitted to the first circuit board through the other flat cable.
9. A display device, comprising:
a display panel;
a source electrode driving circuit board;
the first circuit board is connected with the display panel through the source electrode driving circuit board;
the second circuit board is connected with the display panel through the source electrode driving circuit board;
two flexible flat cables; and
the system circuit board is respectively connected with the first circuit board and the second circuit board through the flexible flat cable;
the first circuit board comprises a level converter chip and a gamma chip, control signals output by the level converter chip and the gamma chip are transmitted to the system circuit board through the flexible flat cable, and the system circuit board is transmitted to the second circuit board through the other flexible flat cable.
10. A display comprising a display device as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021577077.2U CN212873893U (en) | 2020-07-31 | 2020-07-31 | Display device and displayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021577077.2U CN212873893U (en) | 2020-07-31 | 2020-07-31 | Display device and displayer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212873893U true CN212873893U (en) | 2021-04-02 |
Family
ID=75219102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021577077.2U Active CN212873893U (en) | 2020-07-31 | 2020-07-31 | Display device and displayer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212873893U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023092355A1 (en) * | 2021-11-24 | 2023-06-01 | 京东方科技集团股份有限公司 | Display panel and display apparatus |
-
2020
- 2020-07-31 CN CN202021577077.2U patent/CN212873893U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023092355A1 (en) * | 2021-11-24 | 2023-06-01 | 京东方科技集团股份有限公司 | Display panel and display apparatus |
| GB2622162A (en) * | 2021-11-24 | 2024-03-06 | Boe Technology Group Co Ltd | Display panel and display apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107644614B (en) | A kind of array substrate, display panel and display device | |
| CN204302618U (en) | A kind of display device | |
| CN113903273B (en) | Display module and display device | |
| CN101872093A (en) | Liquid crystal display device | |
| CN110989230B (en) | Display device and electronic apparatus | |
| CN212873893U (en) | Display device and displayer | |
| CN111599302B (en) | Display panel and display device | |
| CN114822401B (en) | Display device, source electrode chip on film and driving method | |
| CN210142246U (en) | Drive circuit and display device | |
| CN109493786A (en) | Data output device, display narrow frame module, display and electronic equipment | |
| WO2018196093A1 (en) | Double-sided display | |
| US20160162083A1 (en) | Touch display panel and touch display device | |
| CN112086015A (en) | Display panel and display device | |
| US20100186995A1 (en) | Connecting device for cables and jumper wires | |
| CN104837294A (en) | Flexible circuit board, preparation method thereof, and display device | |
| US10658799B2 (en) | Transmission cable and display system | |
| US10319498B2 (en) | Flexible flat cable | |
| CN110320690A (en) | A kind of display device | |
| CN105828524A (en) | Display, multi-section circuit board and manufacturing method thereof | |
| CN104731414A (en) | Touch display device and electronic equipment | |
| CN215453382U (en) | Display device | |
| CN215450714U (en) | Chip on film and display device | |
| CN208621871U (en) | Display device | |
| US7044747B2 (en) | Wiring structure and flat panel display | |
| CN216929118U (en) | Novel EDP physics switching structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |