CN208655224U - HDMI multiple interfaces convert intelligent liquid-crystal display module - Google Patents
HDMI multiple interfaces convert intelligent liquid-crystal display module Download PDFInfo
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- CN208655224U CN208655224U CN201821177739.XU CN201821177739U CN208655224U CN 208655224 U CN208655224 U CN 208655224U CN 201821177739 U CN201821177739 U CN 201821177739U CN 208655224 U CN208655224 U CN 208655224U
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Abstract
The utility model provides a kind of HDMI multiple interfaces conversion intelligent liquid-crystal display module, from top to bottom successively includes TFT display screen, backlight and pcb board.It binds COG IC, COG an IC and is connected by FPC with the pcb board of lower part in the end of the TFT display screen；Fpga chip, TFT interface and HDMI interface are installed on the pcb board, described fpga chip one end connects HDMI interface, the other end connects TFT interface, the TFT interface includes MIPI interface and rgb interface, and MIPI interface or rgb interface are connected on the COG IC of TFT display screen by FPC.The display function for realizing RGB, MIPI multiple interfaces TFT liquid crystal module can be led to, and be connected using HDMI interface on control panel with computer, it will be in content synchronization on computer monitor to TFT mould stack screen.
Description
Technical field
The utility model relates to technical field of liquid crystal display, in particular to a kind of HDMI multiple interfaces conversion intelligent liquid-crystal is aobvious
Show mould group.
Background technique
LCD screen is widely used in the numerous areas such as national defence, industry, household, communal facility, often as principal display device
The LCD screen of rule does not have HDMI interface, and conventional art needs interface conversion for the mould group of different TFT interfaces, needs to increase
Special conversion circuit, structure is complicated, and volume is larger, higher cost.
Summary of the invention
In order to solve the problems, such as described in background technique, the utility model provides a kind of HDMI multiple interfaces conversion intelligent liquid-crystal
Display module using COG IC binding technology, and is able to achieve the display function of RGB, MIPI multiple interfaces TFT liquid crystal module,
And be connected using HDMI interface on control panel with computer, it will be in content synchronization on computer monitor to TFT mould stack screen.
In order to achieve the above object, the utility model is implemented with the following technical solutions:
A kind of HDMI multiple interfaces conversion intelligent liquid-crystal display module, successively includes TFT display screen, backlight from top to bottom
And pcb board.
It binds COG IC, COG an IC and is connected by FPC with the pcb board of lower part in the end of the TFT display screen；Institute
Fpga chip, TFT interface and HDMI interface are installed, described fpga chip one end connects HDMI interface, separately on the pcb board stated
One end connects TFT interface, and the TFT interface includes MIPI interface and rgb interface, and MIPI interface or rgb interface are connected by FPC
It is connected on the COG IC of TFT display screen.
The COG IC is the liquid crystal driver of chip bonding.
Compared with prior art, the utility model has the beneficial effects that
1, it is able to achieve the display function of RGB, MIPI multiple interfaces TFT liquid crystal module, and is connect using HDMI on control panel
Mouth is connected with computer, will be in content synchronization on computer monitor to TFT mould stack screen；
2, it is bound using COG IC chip, compact-sized, super low-power consumption.
Detailed description of the invention
Fig. 1 is the explosive view of the utility model；
Fig. 2 is the circuit connecting relation figure of fpga chip and HDMI interface and TFT interface；
Fig. 3 is that the part pin that fpga chip is connect with HDMI interface and MIPI interface designs implementation example figure；
Fig. 4 is that the part pin that fpga chip is connect with rgb interface designs implementation example figure.
In figure: 1-TFT display screen 2-TFT drives COG IC 3-FPC 4- backlight 5-TFT interface 6-FPGA 7-
Pcb board 8-HDMI interface.
Specific embodiment
Specific embodiment provided by the utility model is described in detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of HDMI multiple interfaces convert intelligent liquid-crystal display module, it is successively aobvious including TFT from top to bottom
Display screen 1, backlight 4 and pcb board 7.
A COG IC 2 is bound in the end of the TFT display screen 1, and COG IC 2 passes through the pcb board of FPC 3 and lower part
7 are connected；Fpga chip 6, TFT interface 5 and HDMI interface 8 are installed, described 6 one end of fpga chip connects on the pcb board 7
HDMI interface 8 is connect, the other end connects TFT interface 5, and TFT interface 5 is connected on the COG IC 2 of TFT display screen by FPC 3.
As shown in Fig. 2, the TFT interface 5 includes MIPI interface and rgb interface.The TFT display screen 1 can lead to
It crosses MIPI interface to be connected with the fpga chip 6 on pcb board 7, rgb interface and 6 phase of fpga chip on pcb board 7 can also be passed through
Even.
As in Figure 2-4, the pin of the fpga chip 6 includes that HDMI interface pin, MIPI interface pin and RGB connect
Mouthful pin, HDMI interface pin are connected with HDMI interface 8, and MIPI interface pin is connected with MIPI interface, rgb interface pin and
Rgb interface is connected.
The COG IC 2 is the liquid crystal driver of chip bonding.
The 7 inch liquid crystal display screens that TFT liquid crystal display 1 in Fig. 1 embodiment is 1280*800, using COG chip bonding skill
Art, the pcb board 7 of lower part are printed circuit board, and drive control chip fpga chip 6 is posted on top, and TFT interface 5 is connected by FPC 3
Meet the driving chip CGO IC 2 of TFT.Backlight 4 can be LED backlight.
Fig. 2 is the connection pass of fpga chip 6 and HDMI interface 8 and TFT interface 5 (including rgb interface and MIPI interface)
System's figure, describes identical with connection relationship above-mentioned, description is not repeated herein.HDMI interface 8 therein can be with computer, plate
Deng HDMI interface be connected, realize the function on computer monitor in content synchronization to TFT mould stack screen.
Fig. 3 and Fig. 4 is the actual design implementation example figure of fpga chip 6,6 embodiment model LCMX03L- of fpga chip
2100E, since 6 functional pin of fpga chip is numerous, general component design, Fig. 3 is fpga chip 6 and HDMI interface 8 and MIPI
The part pin design drawing of interface connection, wherein 13-18 pin and 21-22 pin are connected to HDMI interface, and No. 1-12 is drawn
Foot and 19-20 pin are connected to MIPI interface.Fig. 4 is the part pin design drawing that fpga chip is connect with rgb interface, D1-
D28 pin is connected to rgb interface.
Above embodiments are implemented under premised on technical solutions of the utility model, give detailed embodiment
With specific operating process, but the protection scope of the utility model is not limited to the above embodiments.Side used in above-described embodiment
Method is conventional method unless otherwise instructed.
Claims (1)
1. a kind of HDMI multiple interfaces convert intelligent liquid-crystal display module, successively include from top to bottom TFT display screen, backlight and
Pcb board；
It is characterized in that, the liquid crystal driver of chips binding, the liquid of chip bonding are bound in the end of the TFT display screen
Brilliant driver is connected by FPC with the pcb board of lower part；Fpga chip, TFT interface and HDMI are installed to connect on the pcb board
Mouthful, described fpga chip one end connects HDMI interface, and the other end connects TFT interface, and the TFT interface includes MIPI interface
And rgb interface, on the liquid crystal driver for the chip bonding that MIPI interface or rgb interface are connected to TFT display screen by FPC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821177739.XU CN208655224U (en) | 2018-07-24 | 2018-07-24 | HDMI multiple interfaces convert intelligent liquid-crystal display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821177739.XU CN208655224U (en) | 2018-07-24 | 2018-07-24 | HDMI multiple interfaces convert intelligent liquid-crystal display module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208655224U true CN208655224U (en) | 2019-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821177739.XU Active CN208655224U (en) | 2018-07-24 | 2018-07-24 | HDMI multiple interfaces convert intelligent liquid-crystal display module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111640406A (en) * | 2020-07-16 | 2020-09-08 | 歌尔光学科技有限公司 | Display driving system and method and display device |
-
2018
- 2018-07-24 CN CN201821177739.XU patent/CN208655224U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111640406A (en) * | 2020-07-16 | 2020-09-08 | 歌尔光学科技有限公司 | Display driving system and method and display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.288, Yueling Road, Lishan District, Anshan City, Liaoning Province, 114031 Patentee after: Yashi Optoelectronics (Group) Co.,Ltd. Address before: No.288, Yueling Road, Lishan District, Anshan City, Liaoning Province, 114031 Patentee before: ANSHAN YES OPTOELECTRONICS DISPLAY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |