CN217061364U

CN217061364U - Vehicle-mounted display screen

Info

Publication number: CN217061364U
Application number: CN202123415973.6U
Authority: CN
Inventors: 吴伟佳
Original assignee: Truly Semiconductors Ltd
Current assignee: Truly Semiconductors Ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-07-26
Anticipated expiration: 2031-12-31

Abstract

The utility model relates to a vehicle-mounted display screen, include: the liquid crystal display screen is provided with an icon display area and a dot matrix display area; an icon driving IC chip; a dot matrix driving IC chip; the icon driving IC chip and the dot matrix driving IC chip are integrated on the liquid crystal screen, the icon driving IC chip is electrically connected with the icon display area through a first wiring, and the dot matrix driving IC chip is electrically connected with the dot matrix display area through a second wiring. The utility model discloses an with ICON drive IC and dot matrix drive IC integrated to same display screen, not only realize ICON and dot matrix compatibility at same screen, can also show more abundant content.

Description

Vehicle-mounted display screen

Technical Field

The utility model relates to a liquid crystal display technology field especially relates to an on-vehicle display screen.

Background

The current vehicle-mounted instrument screen is a much better one or an STN screen with ICON patterns, and compared with a TFT screen, the current vehicle-mounted instrument screen has the advantages of price and mold opening cost. However, the content displayed by the ICON screen has limitation, and if the ICON and the dot matrix can be combined, richer content can be displayed. ICON is generally a low-DUTY product, and the rich dot matrix display content needs high-DUTY IC to be driven, which makes ICON and dot matrix difficult to be compatible on the same screen.

Disclosure of Invention

For solving the technical problem that exists among the prior art, the utility model provides an on-vehicle display screen can combine ICON and dot matrix to show simultaneously.

The utility model provides a following technical scheme:

the liquid crystal display is provided with an icon display area and a dot matrix display area;

an icon driving IC chip;

a dot matrix driving IC chip;

the icon driving IC chip and the dot matrix driving IC chip are integrated on the liquid crystal screen, the icon driving IC chip is electrically connected with the icon display area through a first wiring, and the dot matrix driving IC chip is electrically connected with the dot matrix display area through a second wiring.

As the preferred technical scheme, the pattern wires of the icon display area and the pattern wires of the dot matrix display area are not crossed with each other.

As a preferred technical scheme, the liquid crystal screen is provided with an icon driving IC chip interface and an array driving IC chip interface.

The preferred technical scheme includes that the display device comprises a flexible circuit board, and an icon driving IC chip and a dot matrix driving IC chip are integrated on the flexible circuit board.

As a preferred technical scheme, the icon driving IC chip and the dot matrix driving IC chip are positioned at two ends of the flexible circuit board plug part.

As a preferred technical scheme, the flexible circuit board comprises a first flexible circuit board and a second flexible circuit board, the icon driving IC chip is integrated on the first flexible circuit board, and the dot matrix driving IC chip is integrated on the second flexible circuit board.

Preferably, the icon display area and the dot matrix display area are provided with an SEG layer and a COM layer which are stacked.

As a preferred technical scheme, the icon driving IC chip is electrically connected with the SEG layer and the COM layer of the icon display area through the routing wires.

As a preferred technical scheme, the dot matrix driving IC chip is electrically connected with the SEG layer and the COM layer of the dot matrix display area through the routing.

The backlight assembly is attached to the liquid crystal screen.

The utility model provides a beneficial effect that technical scheme can reach: through with ICON drive IC and dot matrix drive IC integration to same display screen, not only realize that ICON and dot matrix are compatible at same screen, can also show more abundant content.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for describing the embodiments are briefly introduced below to form a part of the present invention, and the exemplary embodiments and descriptions thereof of the present invention explain the present invention and do not constitute an undue limitation on the present invention. In the drawings:

fig. 1 is a schematic structural view of a vehicle-mounted display screen disclosed in embodiment 1 of the present invention;

fig. 2 is a schematic structural diagram of the vehicle-mounted display screen disclosed in embodiment 1 of the present invention;

fig. 3 is a schematic structural view of a vehicle-mounted display screen disclosed in embodiment 2 of the present invention;

fig. 4 is a schematic structural diagram of the vehicle-mounted display screen disclosed in embodiment 2 of the present invention.

Description of reference numerals:

a liquid crystal panel 10; an upper polarizer 11; a lower polarizer 12; an icon driving IC chip 20; a dot matrix drive IC chip 30; a dot-matrix display area 31; a flexible circuit board 40.

Detailed Description

To make the purpose, technical solution and advantages of the present invention clearer, the following description will be given with reference to the embodiments of the present invention and the accompanying drawings, in which the technical solution of the present invention is clearly and completely described. In the description of the present application, it is noted that the term "or" is generally employed in its sense including "and/or" unless the content clearly dictates otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It is to be understood that the embodiments described are only some embodiments of the invention, and 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 all belong to the protection scope of the present invention.

Example 1

The present embodiment provides a display screen structure, according to fig. 1-2, comprising:

a liquid crystal panel 10, the liquid crystal panel 10 having an icon display area and a dot matrix display area 31;

an icon driving IC chip 20;

a dot matrix drive IC chip 30;

the icon driving IC chip 20 and the dot matrix driving IC chip 30 are integrated on the liquid crystal display 10, the icon driving IC chip 20 is electrically connected with the icon display area through a first wire, and the dot matrix driving IC chip 30 is electrically connected with the dot matrix display area 31 through a second wire.

The liquid crystal screen 10 uses liquid crystal material as a basic component, the liquid crystal material is filled between two parallel plates, and the arrangement state of the inner part of the liquid crystal material is changed by voltage, so that the purposes of shading and transmitting light are achieved to display images with different depths and in a staggered manner.

As shown in fig. 1, the liquid crystal panel 10 is divided into an icon display area and an array display area 31, for example, the area outside the array display area 31 of the liquid crystal panel 10 in fig. 1 is the icon display area, the two display areas are separated, and the icon driving IC chip 20 and the array driving IC chip 30 are integrated into the same liquid crystal panel 10. Preferably, the pattern lines of the icon display area and the pattern lines of the dot matrix display area 31 do not intersect with each other.

Preferably, the icon display area and the dot matrix display area 31 are each provided with a SEG layer and a COM layer stacked.

Preferably, the liquid crystal display 10 has an interface of the icon driving IC chip 20 and an interface of the icon driving IC chip 20, and the interfaces thereof are electrically connected to the SEG layer and the COM layer of the corresponding display areas through the traces. The liquid crystal display 10 is provided with an interface of the icon driving IC chip 20 for inserting the icon driving IC chip 20, and an interface of the icon driving IC chip 20 for inserting the dot matrix driving IC chip 30.

The display screen of the dot matrix display area 31 is an array formed by liquid crystal display dots. Each display point corresponds to a one-bit binary number, with 1 indicating light and 0 indicating off. The RAM storing such dot matrix information is called a display data memory. To display a certain graphic or Chinese character, the corresponding dot matrix information is written into the corresponding memory cell. The dot matrix information of the graphics or the chinese characters is of course designed by itself, and the key of the problem is the relationship between the positions (rows and columns) of the display dots on the liquid crystal screen 10 and the addresses thereof in the memory.

Preferably, the icon driving IC chip 20 is electrically connected to the SEG layer and the COM layer of the icon display area through traces.

Preferably, the dot matrix driving IC chip 30 is electrically connected to the SEG layer and the COM layer of the dot matrix display area 31 through traces.

Preferably, the liquid crystal panel 10 is an LCD liquid crystal panel 10.

According to fig. 1-2, the LCD panel 10 has two electrodes: one is that the segment electrode is SEG; one is that the common electrode is COM. When a potential difference exists between SEG and COM, the liquid crystal is influenced by an electric field and deflects to form a display.

Preferably, a backlight assembly is included, which is attached to the liquid crystal panel 10.

Example 2

The present embodiment also provides a display screen structure, which is different from embodiment 1 in the position of the IC chip.

Preferably, a flexible circuit board 40 is included, and the icon driving IC chip 20 and the dot matrix driving IC chip 30 are integrated on the flexible circuit board 40.

Preferably, the icon driving IC chip 20 and the dot matrix driving IC chip 30 are located at both ends of the insertion part of the flexible circuit board 40.

Preferably, the flexible circuit board 40 includes a first flexible circuit board 40 and a second flexible circuit board 40, the icon driving IC chip 20 is integrated on the first flexible circuit board 40, and the dot matrix driving IC chip 30 is integrated on the second flexible circuit board 40.

According to fig. 3-4, the liquid crystal panel 10 is disposed between the upper polarizer 11 and the lower polarizer 12, the liquid crystal panel 10 has two IC interfaces, one is an icon driving IC chip 20 interface, and the other is a dot matrix driving IC chip 30 interface, the icon driving IC chip 20 and the dot matrix driving IC chip 30 are gathered into a flexible circuit board 40 to be inserted into the liquid crystal panel 10, or the icon driving IC chip 20 is integrated on the first flexible circuit board 40, and the dot matrix driving IC chip 30 is integrated on the second flexible circuit board 40 to be separately inserted into the liquid crystal panel 10.

The vehicle-mounted display screen in the embodiment of the present application is described in detail above, and the principle and the implementation of the present application are explained by applying specific examples herein, and the description of the above embodiment is only used to help understand the method and the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. An on-vehicle display screen, comprising:

the liquid crystal display screen is provided with an icon display area and a dot matrix display area;

an icon driving IC chip;

a dot matrix driving IC chip;

2. The vehicle-mounted display screen of claim 1, wherein the pattern traces of the icon display area and the pattern traces of the dot matrix display area are not crossed.

3. The vehicle-mounted display screen of claim 1, wherein the liquid crystal screen is provided with an icon driving IC chip interface and an array driving IC chip interface.

4. The vehicle-mounted display screen of claim 3, comprising a flexible circuit board, wherein the icon driving IC chip and the dot matrix driving IC chip are integrated on the flexible circuit board.

5. The vehicle-mounted display screen of claim 4, wherein the icon driving IC chip and the dot matrix driving IC chip are located at two ends of the flexible circuit board insertion part.

6. The vehicle-mounted display screen of claim 4, wherein the flexible circuit board comprises a first flexible circuit board and a second flexible circuit board, the icon driving IC chip is integrated on the first flexible circuit board, and the dot matrix driving IC chip is integrated on the second flexible circuit board.

7. The vehicle-mounted display screen of claim 1, wherein the icon display area and the array display area are provided with a SEG layer and a COM layer which are stacked.

8. The vehicle-mounted display screen of claim 1, wherein the icon driving IC chip is electrically connected with the SEG layer and the COM layer of the icon display area through wires.

9. The vehicle-mounted display screen of claim 1, wherein the dot matrix driving IC chip is electrically connected with the SEG layer and the COM layer of the dot matrix display area through wires.

10. The vehicle-mounted display screen of claim 1, comprising a backlight assembly, wherein the backlight assembly is attached to the liquid crystal display screen.