CN212519193U

CN212519193U - Display screen and television

Info

Publication number: CN212519193U
Application number: CN202020822462.2U
Authority: CN
Inventors: 高静
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2021-02-09
Anticipated expiration: 2030-05-15

Abstract

A display screen is applied to a television, and is characterized in that the display screen comprises a main display area and an auxiliary display area; an opening is formed in the auxiliary display area, and a camera is mounted in the opening; the sub display region includes a driving circuit mounted on the array substrate; and the driving circuit is connected with the chip on film through wiring. The auxiliary display area has a shooting function, so that the function expansion of the auxiliary display area is realized; and meanwhile, the main display area can meet the display standard of the resolution ratio of the television and the like.

Description

Display screen and television

Technical Field

The disclosure relates to the technical field of liquid crystal display screens, in particular to a display screen and a television.

Background

In the related technology, the special-shaped screen and the in-screen hole opening technology of a mobile phone product are mature day by day, the positions of small holes of the mobile phone are concentrated on the top of the mobile phone, and the mobile phone has no clear definition such as 2K resolution or 4K resolution. If the hole is formed in the television display screen by applying the hole forming technology in the mobile phone screen, the number of pixels in the shooting area of the television display screen after the hole is formed is reduced, and the pixels are reduced. And the theme and video of the television, etc. can only be adapted to the display of 16:9/21:9, so the image pickup area becomes black display when the television is displayed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems in the prior art, the utility model discloses a display screen and television.

According to a first aspect of the disclosed embodiments, there is provided a display screen applied to a television, the display screen including a main display area and an auxiliary display area; an opening is formed in the auxiliary display area, and a camera is mounted in the opening; the sub display region includes a driving circuit mounted on the array substrate; and the driving circuit is connected with the chip on film through wiring.

In one embodiment, the opening is disposed on the sub-display area, and the width of the sub-display area is limited by the size of the opening.

In one embodiment, the driving circuit on the array substrate is disposed at an edge of the sub-display area.

In one embodiment, the display screen further comprises a bezel surrounding the primary display area and the secondary display area; the wiring of the driving circuit is disposed on the frame.

In one embodiment, the chip on film is disposed on the main display area.

In one embodiment, the main display area and the sub display area are independently controlled by signals.

In one embodiment, the main display region and the sub display region are independently gamma controlled.

In one embodiment, the display screen further comprises a timing control circuit; and independently controlling the time sequence of the main display area and the auxiliary display area through the time sequence control circuit.

In one embodiment, the timing control circuit is disposed on the chip on film of the main display area.

In one embodiment, the area of the main display region is larger than the area of the sub display region; the auxiliary display area is arranged at the edge of the main display area.

In one embodiment, the plurality of flip chips are stacked on one another.

In one embodiment, the chip on film is provided with a plurality of connection terminals, and the connection terminals are arranged in parallel or in a staggered manner.

In one embodiment, the driving circuit includes: more than one of a gate drive circuit, a timing control circuit, a power supply circuit and a gamma correction circuit.

The utility model discloses a technical scheme that embodiment provided can include following beneficial effect: in the embodiment of the disclosure, the opening for installing the camera is arranged on the auxiliary display area, so that the display screen has a shooting function, and the function of the television display screen is expanded. Meanwhile, the driving circuit arranged on the array substrate is arranged on the auxiliary display area, and the full-screen display effect of the auxiliary display area is further achieved.

According to a second aspect of the disclosed embodiments, there is provided a television comprising a housing, a main board, and a display screen; the main board comprises a power panel, a television main board and a backlight panel; the display screen is selected from the display screens in the disclosed embodiments.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

Fig. 1 is a schematic view illustrating a sub display region opening according to an exemplary embodiment.

Fig. 2 is a single-layer wiring diagram of a driving circuit according to a related exemplary embodiment.

FIG. 3 is a schematic diagram illustrating alternate routing of a driver circuit according to an exemplary embodiment.

Fig. 4 is a schematic view illustrating a sub display region opening according to still another exemplary embodiment.

Fig. 5 is a schematic diagram of a driving circuit shown in accordance with an exemplary embodiment.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

As described above, since the tv is to satisfy the resolution of 4K or 8K, if a camera is provided on the display screen of the tv, the resolution requirement of 4K or 8K that the tv should satisfy cannot be satisfied. Therefore, there is no solution to provide a camera through a hole in the tv.

The first aspect of the disclosed embodiment provides a display screen for a television, and the display screen is provided with an opening for installing a camera, so that the requirement of a built-in camera is met, the resolution requirement of the television can also be met, and meanwhile, a super narrow frame of the television can also be realized.

The display screen of the disclosed embodiments may include a main display area and a sub display area. An opening used for installing a camera is formed in the auxiliary display area, and the position of the opening can be any position on the auxiliary display area. The sub display region includes a driving circuit mounted on the array substrate; the wiring of the driving circuit is connected with the chip on film of the main display area. Therefore, the main display area and the auxiliary display area can be independently controlled, the requirements of the resolution ratio of the television and the requirements of the hole opening of the television display screen can be simultaneously met only by adding a plurality of wires, and an additional circuit board and the like are not needed.

The display screen according to the embodiments of the present disclosure is described in detail below with reference to the accompanying drawings. Fig. 1 is a schematic view illustrating a sub display region opening according to an exemplary embodiment.

As shown in fig. 1, a display area of a television screen according to an embodiment of the present disclosure is divided into a main display area 1 and a sub display area 2. The main display region 1 and the sub display region 2 may be two independent panels, or may be two regions divided into one panel, that is, a main display region and a sub display region. In the present disclosure, the main display region 1 and the sub display region 2 are defined, but the concept of dividing one display region into two display regions is also included.

A plurality of pixels (not shown) are disposed in the main display area 1, and the number of pixels may be set according to the resolution requirement of the manufactured television as long as the number of pixels meets the resolution requirement of the television, which is not limited in this disclosure.

In one embodiment of the present disclosure, the sub display region 2 is disposed above the main display region 1. The width of the sub display region 2 may be smaller than the width of the main display region 1. This makes it possible to display a screen as a television in the main display area 1 and display other contents in the sub display area 2. The content displayed in the main display area 1 and the content displayed in the sub display area 2 may be the same or different. The present disclosure is not limited thereto, and the width of the sub display region 2 may also be equal to the width of the main display region 1.

In the embodiment of the present disclosure, the display screen further includes a bezel surrounding the main display region 1 and the sub display region 2.

An aperture 21 is provided in the sub display area 2, and the aperture 21 may be provided at any position in the sub display area 2. The width of the sub display region 2 may be determined according to the size of the opening 21. The opening 21 is used for mounting a camera, and thus the size of the opening 21 can be determined according to the size of the camera.

The sub display region 2 is provided with a plurality of pixels 32 each of which is sensitive to red light, green light, or blue light. The number of pixels 32 provided in the sub-display region 2 can be set as required.

A Driver circuit 3 is provided in the sub display region 2, and the Driver circuit 3 is mounted on the Array substrate to form a Gate Driver on Array (GOA) circuit. The driving circuit 3 is connected with the chip on film through wiring. It is understood that the main display area 1 and the sub-display area 2 may share a chip on film, and the chip on film may be disposed on the main display area 1 or the sub-display area 2. The drive circuit 3 may be disposed on the frame by wiring. By adopting the wiring mode, a narrower frame can be realized, and the screen occupation ratio of the display screen is larger.

Fig. 2 is a single-layer wiring diagram of a driving circuit shown according to a related exemplary embodiment. Fig. 3 is an alternate wiring schematic of a driver circuit shown in accordance with an exemplary embodiment of the present disclosure.

As shown in fig. 2, the wiring pattern of the driving circuit 3 may be a single layer wiring pattern in which the pitch between lines is small.

As shown in fig. 3, the driving circuit 3 may also adopt an alternate wiring manner, so as to increase the distance between the lines, effectively avoid short circuit, and ensure that the driving circuit 3 is more stable.

Further, the flip-chip film of the main display area 1 is formed by stacking a plurality of flip-chip films, and a plurality of connection terminals may be disposed on the flip-chip films. The connection terminals of the flip-chip films are arranged in multiple rows or staggered. Preferably, the plurality of rows of connection terminals of the plurality of flip chips are arranged in a staggered manner. Through the staggered arrangement of the connecting terminals, the distance between two adjacent connecting terminals on one chip on film can be increased, the short circuit caused by the excessively narrow distance between the connecting terminals on the chip on film is prevented, and the problem of poor bonding of the chip on film can be avoided.

In the embodiment of the present disclosure, the main display region 1 and the sub display region 2 perform independent signal control and gamma control, and thus the contents displayed on the main display region 1 and the sub display region 2 can be controlled because the main display region 1 and the sub display region 2 are independently signal controlled and gamma controlled. For example, television content is displayed on the main display area 1, information-related content, text information such as the current day weather and the current day headline, and the like are displayed on the sub display area 2.

Further, in the embodiment of the present disclosure, the driving circuit 3 includes one or more of a gate driving circuit, a timing control circuit (T-con), a power supply circuit, and a gamma correction circuit. The gate driving circuit is used for scanning pixels on the pixel matrix. The timing control circuit controls the display of the display area based on the corresponding control signal. The power supply circuit is used for providing voltage for the grid drive circuit and the time sequence control circuit. The gamma correction circuit is a gray scale voltage generation circuit and is used for converting digital gray scale signals into voltages required by the main display area and the auxiliary display area. The timing control circuit may be provided in the main display region 1 or the sub display region 2. The main display area 1 and the sub display area 2 may be independently timing-controlled by the timing control circuit.

Further, the logic board is built with dedicated modules for shift registers (horizontal and vertical shift). When the television screen access power supply is connected with the power supply, the logic board in the driving circuit 3 receives access signals, wherein the access signals comprise image data signals, clock signals and control signals. After being processed by the logic board, the signal is converted into an LVDS signal capable of driving the television display screen and then is sent to an LVDS receiving chip of the television display screen. The image data signals and the clock signals are converted into control signals which can be identified by the television screen by processing the storage of the shift register, and the MOSFET in the control screen is controlled by the row-column signal RSDS to work so as to control the torsion degree of liquid crystal molecules and drive the liquid crystal display screen to display images.

The color of the dark field gray scale on the television display screen is improved through the gamma correction circuit in the logic board, the color error of each gray scale is reduced, the dark field color details are clear, the image brightness color is consistent, the transparent brightness is good, and the contrast is obvious. Different gamma correction circuits are arranged in the main display area and the auxiliary display area, so that the normal realization of the main display area and the auxiliary display area is realized. In the main display area, the display of the display pictures or videos may be maintained at a 16:9 or 21:9 scale.

Furthermore, the display content of the main display area 1 and the auxiliary display area 2 of the television display screen can be controlled through the driving circuit 3. Namely, the main display area 1 is controlled to display television playing content, and the auxiliary display area 2 is controlled to display other content, such as working state of the intelligent home LOT equipment, reminding event, weather or time, and the like, so that better interconnection of the intelligent home can be realized.

Further, in the embodiment of the present disclosure, the driving circuit 3 is disposed at an edge of the sub display region 2. It is to be understood that the position of the sub display area 2 is not limited to the position illustrated in the embodiments of the present disclosure, and may be located in the lower frame or the left frame or the right frame of the display screen. The position of the driving circuit 3 is also set with the sub display area 2.

In the disclosed embodiments, fig. 4 is a schematic view illustrating a sub display region opening hole according to still another exemplary embodiment.

As shown in fig. 4, in the embodiment of the present disclosure, the sub display region 2 is located at a lower portion of the main display region 1, and the driving circuit 3 in the sub display region 2 is disposed at an edge thereof. The sub-display area 2 is provided with a plurality of pixels, and the number of the pixels is only required to meet the display requirements of the sub-display area 2. The sub display region 2 is provided with an opening (not shown), and the position of the opening can be located at any position in the sub display region 2. The display of the sub display region 2 is realized by the drive circuit 3. That is, when the main display area 1 normally displays information such as a played picture or video, additional content can be displayed on the auxiliary display area 2, the additional content can be a working state of the smart home LOT device, a reminding event, weather or time, and the like, or can be a video picture, that is, the main display area 1 and the auxiliary display area 2 realize the same screen and different display contents, such as movie and picture double-screen display.

Further, when the display content in the auxiliary display area 2 needs to be increased, the display content expansion of the auxiliary display area 2 can be realized by increasing the number of the binding lines.

In the embodiment of the present disclosure, a driving method of scanning the gate electrode line by line may be implemented by a driving circuit mounted on the array substrate. Through setting up the pixel value of main display area 1, can satisfy the resolution ratio requirement of TV screen, through trompil installation camera on vice display area 2, when satisfying the resolution ratio requirement of TV, can realize the demand that the camera was installed in the TV screen trompil. Since the number of pixels in the sub display region 2 is small, the number of wirings in the sub display region 2 is also small. The wiring of the auxiliary display area 2 is made to run on the frame and connected with the chip on film of the main display area 1, so that the narrow frame can be realized, and the split-screen display of the main display area 1 and the auxiliary display area 2 can be realized without adding an additional circuit board. The requirement of the resolution ratio of the liquid crystal display television is met, and the requirement that the camera is installed in the hole of the television display screen is met.

In the disclosed embodiments, fig. 5 is a schematic diagram of a driving circuit shown in an exemplary embodiment.

As shown in fig. 5, the driving circuit 3 includes a power supply circuit, a timing control circuit, and a gamma correction circuit. The driving circuit is provided with a source driving chip and a gate driving chip; the source driving chips and the gate driving chips are arranged in an alternative wiring mode, and in the wiring mode, the line distance is increased, so that the short circuit of the driving circuit 3 is avoided, and the stability of the driving circuit 3 is improved. In the drive circuit 3, a power supply circuit is connected to the timing control circuit and the gamma correction circuit, respectively. The chip on film in the embodiment of the present disclosure may be disposed on the main display area 1, and the timing control circuit is disposed on the chip on film. The driving circuit 3 on the auxiliary display area 2 is connected to the flip chip on film of the main display area 1.

Further, when the display screen is connected to an external power supply, the power supply circuit in the driving circuit 3 sends output signals to the timing control circuit and the gamma correction circuit respectively, and the timing control circuit and the gamma correction circuit receive different output signals sent by the power supply circuit respectively, so as to control the display of the television display screen.

Further, after the time sequence control circuit receives an output signal of the power supply circuit, scanning and driving are carried out on pixels on the display screen through a source driving chip and a gate driving chip, and display content of the display screen is achieved; the gamma correction circuit receives the output signal of the power supply circuit, improves the color of dark field gray scale on the television display screen, corrects and compares the picture on the display screen, reduces the color error of each gray scale, ensures that the dark field color is clear in detail and the image brightness and color are consistent, improves the picture display definition and ensures that the picture quality on the television display screen achieves the best effect.

A second aspect of an embodiment of the present disclosure provides a television including a housing, a motherboard, and a display screen. The main board comprises a power supply board, a television main board and a backlight template. The display screen is selected from the display screens in the disclosed embodiments.

It is further understood that the use of "a plurality" in this disclosure means two or more, as other terms are analogous. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. The singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It will be further understood that the terms "first," "second," and the like are used to describe various information and that such information should not be limited by these terms. These terms are only used to distinguish one type of information from another and do not denote a particular order or importance. Indeed, the terms "first," "second," and the like are fully interchangeable. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure.

It is further to be understood that while operations are depicted in the drawings in a particular order, this is not to be understood as requiring that such operations be performed in the particular order shown or in serial order, or that all illustrated operations be performed, to achieve desirable results. In certain environments, multitasking and parallel processing may be advantageous.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A display screen applied to a television is characterized in that,

the display screen comprises a main display area and an auxiliary display area;

an opening is formed in the auxiliary display area, and a camera is mounted in the opening;

the sub display region includes a driving circuit mounted on the array substrate; and

the driving circuit of the auxiliary display area is connected with the chip on film through wiring.

2. Display screen according to claim 1,

the driving circuit on the array substrate is arranged at the edge of the auxiliary display area.

3. Display screen according to claim 2,

the display screen further comprises a frame surrounding the main display area and the auxiliary display area;

the wiring of the driving circuit is disposed on the frame.

4. Display screen according to claim 1,

the chip on film is arranged on the main display area.

5. Display screen according to claim 1,

the main display area and the sub display area perform independent signal control.

6. Display screen according to claim 1,

the main display region and the sub display region perform independent gamma control.

7. Display screen according to claim 1,

the display screen also comprises a time sequence control circuit;

and independently controlling the time sequence of the main display area and the auxiliary display area through the time sequence control circuit.

8. Display screen according to claim 7,

the time sequence control circuit is arranged on the chip on film of the main display area.

9. Display screen according to claim 1,

the area of the main display area is larger than that of the auxiliary display area;

the auxiliary display area is arranged at the edge of the main display area.

10. Display screen according to claim 1,

the plurality of chip on films are arranged and are mutually overlapped.

11. Display screen according to claim 7,

the chip on film is provided with a plurality of connecting terminals which are arranged in parallel or in a staggered manner.

12. Display screen according to claim 1,

the driving circuit of the sub display region includes: more than one of a gate drive circuit, a timing control circuit, a power supply circuit and a gamma correction circuit.

13. A television, comprising:

a housing;

the main board comprises a power panel, a television main board and a backlight template;

a display screen selected from the display screens of any one of claims 1 to 9.