CN110865476A - a terminal - Google Patents

Abstract

The invention discloses a terminal, comprising a display module and a glass cover plate arranged on the display module; a first area of the glass cover plate is set as a lens of an image acquisition device of the terminal; the display The pixel circuit in the module is provided with a photosensitive component of the image acquisition device; the photosensitive component is located in the first area in the projection area of the pixel circuit; the photosensitive component is electrically connected to the chip of the image acquisition device. connection; the display module is used for controlling the pixel circuit corresponding to the first area to be in a non-emitting state when the image acquisition device is working.

Description

a terminal

technical field

The present invention relates to the field of display technology, and in particular, to a terminal.

Background technique

With the continuous development of flat panel display technology, LCD (Liquid Crystal Display, liquid crystal terminal) and AMOLED terminal, which have the advantages of small size, low power consumption, and no radiation, have become mainstream products in display devices.

As the screens of many terminals are getting larger and larger, full-screen devices have become a trend, and modules such as image capture devices on the terminals need to be set up with separate holes, which affects the display area of the screen and affects the aesthetics of the terminal device.

SUMMARY OF THE INVENTION

An embodiment of the present invention provides a terminal to solve the problem that the terminal needs to dig a hole on the screen and reserve a position for the image acquisition device, which affects the display area of the screen, and further affects the aesthetics of the terminal device.

An embodiment of the present invention provides a terminal, including a display module and a glass cover plate disposed on the display module;

The first area of the glass cover plate is set as the lens of the image acquisition device of the terminal;

The pixel circuit in the display module is provided with a photosensitive component of the image acquisition device; the photosensitive component is located in the first area in the projection area of the pixel circuit; the photosensitive component is connected to the image acquisition device The chip is electrically connected;

The display module is used for controlling the pixel circuit corresponding to the first area to be in a non-emitting state when the image acquisition device is working.

A possible implementation manner, the second area of the glass cover plate is used as a display area of the display module; the second area is an area of the glass cover plate other than the first area;

The first area is used as a display area of the display module when the image acquisition device is in a non-working state and the display module is in an active state.

In a possible implementation manner, the photosensitive member includes a photosensitive member, and the photosensitive member does not overlap with the pixel circuit.

In a possible implementation manner, the pixel circuit is electrically connected to a chip of the image acquisition device; the chip is used as a processor of the display module and the image acquisition device.

In a possible implementation manner, the terminal is provided with a touch screen module; the touch circuit of the touch screen module is provided in the pixel circuit.

In a possible implementation manner, the touch circuit is connected to a chip of the image acquisition device; the chip of the image acquisition device is also used as a processor of the touch screen module;

Alternatively, the touch circuit is connected to a chip of the touch screen module.

In one possible implementation, the display module includes a pixel array substrate provided with pixel circuits, a color filter substrate, and a liquid crystal layer disposed between the pixel array substrate and the color filter substrate;

The photosensitive member is located between the pixel array substrate and the liquid crystal layer.

In a possible implementation manner, the color filter substrate is a transparent material.

In one possible implementation, the terminal is provided with a backlight.

In a possible implementation manner, the display module is an active matrix organic light emitting diode AMOLED, and the AMOLED includes the pixel circuit and a self-luminous layer;

The photosensitive member is located between the pixel circuit and the self-luminous layer, and the self-luminous layer is transparent.

The beneficial effects of the present invention are as follows:

An embodiment of the present invention provides a terminal, including a display module and a glass cover plate disposed on the display module; a first area of the glass cover plate is set as a lens of an image acquisition device of the terminal; The pixel circuit in the display module is provided with a photosensitive component of the image acquisition device; the photosensitive component is located in the first area in the projection area of the pixel circuit; the photosensitive component and the image acquisition device are The chip is electrically connected; the display module is used for controlling the pixel circuit corresponding to the first area to be in a non-emitting state when the image acquisition device is working. Through the above settings, the image acquisition device realizes the camera function in the first area, which is used for camera light sensing. When the camera function is not turned on, the display can be realized, so that the terminal does not need to reserve an image acquisition module separately on the terminal, which affects the full screen. displayed problem.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

FIG. 1 is a schematic structural diagram of a terminal according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a terminal according to an embodiment of the present invention;

3 is a schematic structural diagram of a terminal according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a terminal according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a terminal according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a terminal according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a terminal according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a terminal according to an embodiment of the present invention;

FIG. 9 is a schematic structural diagram of a terminal according to an embodiment of the present invention;

FIG. 10 is a schematic flowchart of a method for preparing a terminal according to an embodiment of the present invention.

Reference number:

1-pixel array substrate 11-lead 13-circuit board 14-pixel unit 15-photosensitive circuit

2-Color filter substrate 23-Black matrix 24-Color resist unit 25-Substrate substrate

3-liquid crystal layer 5-glass cover

6-Image capture device 61-Photosensitive member 611-Sub-photosensitive member

7-Display module 8-Pixel circuit

9-Touch screen module

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

An embodiment of the present invention provides a terminal, where the terminal may be a liquid crystal display panel, electronic paper, OLED (Organic Light-Emitting Diode, organic light-emitting diode) panel, mobile phone, tablet computer, TV, monitor, notebook computer, digital Any product or component with a display function, such as a photo frame and a navigator, is not limited in this embodiment of the present invention.

In specific implementation, the display panel may be a liquid crystal display panel or an organic display panel. For a liquid crystal display panel, it generally includes a pixel array substrate and a color filter substrate, while for an organic display panel, only a pixel array substrate may be provided.

It should be noted that the terminal described in this embodiment of the present invention may be a TN (Twisted Nematic, twisted nematic) mode, a VA (Vertical Alignment, vertical alignment) mode, an IPS (In-Plane Switching, plane switching technology) mode or The ADS (Advanced Super Dimension Switch, advanced super-dimensional field switching technology) mode, etc., is not limited in this embodiment of the present invention.

As shown in FIG. 1 , an embodiment of the present invention provides a terminal, including a display module 7 and a glass cover 5 disposed on the display module 7;

The first area of the glass cover plate 5 is set as the lens of the image acquisition device 6 of the terminal.

The display panel in the embodiment of the present invention may be a liquid crystal display panel. As shown in FIG. 2 , the liquid crystal display panel includes a pixel array substrate 1 and a color filter substrate 2 , and the image acquisition device 6 in the embodiment of the present invention may include a photosensitive member 61 , Specifically, the first area may be all areas in the display panel that can transmit light, or may be a separate area, for example, the second area of the glass cover plate 5 is used as the display area of the display module 7; The second area is an area other than the first area in the glass cover plate 5; it can be set according to actual needs, which is not limited here.

The pixel circuit 8 in the display module 7 is provided with a photosensitive member 61 of the image acquisition device 6 ; the photosensitive member 61 is located in the first area within the projection area of the pixel circuit 8 .

In one possible implementation, the display module 7 includes a pixel array substrate 1 provided with a pixel circuit 8 , a color filter substrate 2 , and a liquid crystal layer disposed between the pixel array substrate 1 and the color filter substrate 2 . 3;

The photosensitive member 61 is located between the pixel array substrate 1 and the liquid crystal layer 3 .

Specifically, the photosensitive member 61 may be provided on the pixel array substrate 1 or the color filter substrate 2 , or the photosensitive member 61 may be provided on both the pixel array substrate 1 and the color filter substrate 2 . As shown in FIG. 2 , it can be arranged on the pixel array substrate 1 ; of course, the photosensitive member 61 can also be arranged on the color filter substrate 1 , which is not limited here.

In order to avoid interference between the photosensitive member 61 and the optical path generated by the pixel unit 14, in the embodiment of the present invention, a possible implementation manner is that the photosensitive member 61 does not overlap with the pixel circuit.

3, the photosensitive member 61 can also be disposed on the pixel array substrate 1, and the pixel array substrate 1 is provided with a plurality of pixel units 14 spaced apart from each other; the photosensitive member 61 includes a plurality of sub-photosensitive members 611, each sub-photosensitive member 611 is located at the gap between adjacent pixel units 14 . For example, in the sub-photosensitive components A-G included in the image capture device 6 , each sub-photosensitive component is located at a gap between two adjacent rows or two columns of pixel units 14 .

Specifically, as shown in FIG. 4 , the pixel array substrate 1 may also include a base substrate, and the photosensitive member 61 is specifically located on the base substrate of the pixel array substrate 1 and is in direct contact with the base substrate. During specific implementation, the base substrate of the pixel array substrate is generally a glass substrate. Of course, the pixel array substrate 1 may also form other film layers on the layer where the image acquisition device is located, for example, various functional film layers of thin film transistors. The photosensitive member 61 includes a plurality of sub-photosensitive members 611 , and each sub-photosensitive member 611 is located at a gap between adjacent pixel units 14 .

Taking the photosensitive member 61 provided on the color filter substrate 2 as an example, the color filter substrate 2 is provided with a color filter layer, and the color filter layer includes a plurality of color resist units 24 spaced apart from each other; The photosensitive member 611 is located at the gap between adjacent color resist units. Specifically, as shown in FIG. 5 , the color resist units 24 of the color filter layer are distributed in an array, the photosensitive members 61 are arranged in the gap between the color resist units 241 in two adjacent rows or columns, and the color filter substrate 2 is also provided with Color filter layer, the color filter layer includes a plurality of color resist units 241 distributed in an array; for example, the photosensitive member 61 includes sub-photosensitive members A-G, etc., each sub-photosensitive member 61 is located between two adjacent rows or two columns of color resist units 241. the gap between.

During specific implementation, the material of the photosensitive member 61 may be a photosensitive material. The color filter substrate 2 can be a transparent material, so that the photosensitive member 61 can receive the light of the external environment through the glass cover plate.

In a specific implementation, as shown in FIG. 6 , the color filter substrate 2 includes a base substrate 25 and a black matrix 23 located on the base substrate 25 , and the photosensitive member 61 is located between the base substrate 25 and the layer where the black matrix 23 is located. And the orthographic projection of the black matrix 23 on the base substrate 25 covers the orthographic projection of the photosensitive member on the base substrate 25 . In the embodiment of the present invention, since the material of the base substrate 25 of the color filter substrate 2 can be a glass substrate, and the material of the photosensitive member 61 can be a photosensitive material, the photosensitive member 61 of the photosensitive material is directly disposed on the glass substrate.

Optionally, as shown in FIG. 6 , the color filter substrate 2 further includes a base substrate 25 and a black matrix 23 located on the base substrate 25 , the photosensitive member 61 is located on the layer where the black matrix 23 is located, and the black matrix 23 is located on the layer of the black matrix 23 . The orthographic projection on the base substrate 25 covers the orthographic projection of the photosensitive member 61 on the base substrate 25 . Considering that when the photosensitive member 61 is directly formed on the base substrate 25, and then the black matrix 23 is formed on the photosensitive member 61, when the display panel is displaying, the external ambient light will first pass through the transparent base substrate 25 directly. Irradiating on the photosensitive member 61 prevents the light generated in the display module 7 from interfering with the light collected by the photosensitive member 61 and affects the display effect of the user on the display panel and the shooting effect of the camera module.

In one embodiment, the photosensitive member 61 is electrically connected to the chip of the image capture device 6 .

Specifically, the display panel may further include a circuit board 13 connected to the pixel array substrate 1 , wherein the circuit board 13 is also connected to the main board, and the main board is connected to the chip. Specifically, as shown in FIG. 7 , the circuit board 13 is connected to the pixel array substrate 1 , and the photosensitive member 61 of the pixel array substrate 1 is correspondingly connected to the lead 11 of the pixel array substrate 1 through the terminal (A) of the photosensitive circuit 14 through the lead 11 , It is connected to the circuit board 13 through the leads of the pixel array substrate 1, and then connected to the main board through the circuit board 13, and connected to the chip through the main board, and then the chip controls the opening and closing of the photosensitive member 61 and the pixel unit 14. In a possible implementation manner, the pixel circuit 15 is electrically connected to a chip of the image acquisition device 6 ; the chip is used as a processor of the display module 7 and the image acquisition device 6 .

Through the above method, the image acquisition device does not need to be provided with an additional processor, which saves space in the display panel and promotes the thinning of the terminal.

Optionally, an insulating layer may also be provided between the internal lead 11 connecting the photosensitive member 61 and the layer where the photosensitive member 61 is located, and the lead 11 is connected to the terminal A through a via hole.

Of course, since the display panel generally also has a touch function, as shown in FIG. 8 and FIG. 9 , the terminal is provided with a touch screen module 9 ; a possible implementation manner, the touch line in the display panel can be combined with the image The chip of the acquisition device 6 is connected; the chip of the image acquisition device 6 is also used as the processor of the touch screen module 9 .

In a possible implementation manner, the touch circuit of the touch screen module 9 may be arranged in the pixel circuit 15 .

Through the above method, the additional chips required for the image acquisition device can be saved, which is beneficial to the thinning of the display panel; in addition, the touch function in the touch screen module 9 and the camera of the image acquisition device 6 can be controlled by the same chip to control the display panel. function, the conflict between the touch function and the camera function.

Of course, the touch circuit can also be independently set to be connected to the chip of the touch screen module 9, which is not limited here.

Further, in the embodiment of the present invention, as shown in FIG. 8 , the touch screen module 9 provided in the terminal and the color filter substrate 2 may be connected by optical glue. The terminal may also be provided with a polarizing layer for generating polarized light, and the terminal may also be provided with a backlight. This embodiment of the present invention will not describe this in detail.

In a possible implementation manner, the display module is an active matrix organic light emitting diode AMOLED, and the AMOLED includes the pixel circuit and a self-luminous layer;

The photosensitive member is located between the pixel circuit and the self-luminous layer, and the self-luminous layer is transparent.

For specific implementation manners, reference may be made to the above-mentioned embodiments, and details are not described herein again.

Referring to FIG. 10 , an embodiment of the present invention further provides a method for fabricating a display panel. The fabrication method includes:

Step S100, providing a pixel array substrate and/or a color filter substrate;

Step S200, forming a photosensitive member on the pixel array substrate and/or the color filter substrate.

In a specific implementation, after the photosensitive member is formed on the color filter substrate, the method further includes: forming a black matrix on the layer where the photosensitive member is located, and the orthographic projection of the black matrix on the base substrate of the color filter substrate covers the photosensitive member on the backing. Orthographic projection above the base substrate.

Specifically, after the black matrix is formed, the manufacturing method further includes: forming a color filter layer, wherein the color filter layer includes a plurality of color resist units distributed in an array, and the photosensitive component specifically includes a plurality of sub-photosensitive components, each sub-photosensitive component The photosensitive member is located at the gap between two adjacent rows or two columns of color resist units.

Optionally, with regard to step S200, forming a photosensitive member on the color filter substrate specifically includes: forming a photosensitive member on the base substrate of the color filter substrate through the shielding of a first mask, wherein the first mask is photosensitive A mask for the pattern of the components to form opening patterns that match the photosensitive components.

Alternatively, after the pixel unit is formed on the pixel array substrate, a photosensitive member is formed in the first area of the layer where the pixel unit is located, and the pixel unit in the first area does not overlap with the pixel circuit on the pixel array substrate.

In the embodiment of the present invention, the photosensitive member is formed on the base substrate through the shielding of the first mask plate, wherein the first mask plate may be a plurality of first openings added on the basis of the pattern of the second mask plate The mask plate, wherein the second mask plate is a mask plate for forming the pixel circuit/touch signal line of the display panel, and the second mask plate includes a plurality of second openings, which can be fabricated on the base substrate. At the same time as the image capturing device 6, the need to add a new mask plate is avoided, thereby avoiding an increase in the manufacturing cost of the display panel.

It should be noted that, because the display panel generally also has a touch function, that is, for example, the display panel includes a plurality of touch electrodes distributed in an array, and touch leads connected to each touch electrode in a one-to-one correspondence. Yes, a plurality of touch electrode leads can extend in the same direction, for example, each touch electrode lead has the same extending direction as the data line. Correspondingly, a second mask is required to manufacture the touch leads, that is, a plurality of second openings are provided on the second mask. However, in the embodiment of the present invention, the second mask can be reused, that is, a plurality of first openings are added on the basis of the pattern of the second mask. Of course, considering that each sub-photosensitive member of the image capturing device 6 The size of 611 and the size of the pixel unit can be set to be different, therefore, only the part of the second opening can be used to realize the fabrication of the photosensitive member.

An embodiment of the present invention further provides a method for photographing a display panel according to an embodiment of the present invention, where the photographing method includes: photographing by a camera in other periods other than the display period and the touch period.

In another possible implementation manner, the display module 7 is configured to control the pixel circuit corresponding to the first area to be in a non-emitting state when the image capturing device 6 is working.

A possible implementation manner, the second area of the glass cover plate is used as the display area of the display module 7; the second area is an area of the glass cover plate other than the first area;

The first area is used as the display area of the display module 7 when the image capture device 6 is in a non-working state and the display module 7 is in an active state.

By distinguishing the first area and the second area, when the camera function of the terminal is turned on, the light emitted by the pixel units of the display module 7 in the first area will not interfere with the light of the external environment collected by the image acquisition device 6 of the terminal. , so as to reduce the openings on the touch screen, improve the screen ratio, make the appearance of the mobile phone more concise and beautiful, and realize a comprehensive screen with camera function without the need to set up a separate camera module.

It should be noted that the display panel usually includes a display period, a touch period, and other blank periods, and the display method provided in the embodiment of the present invention can take pictures with a camera during other periods other than the display period and the touch period, or By controlling the opening or closing of the pixel unit and the image acquisition device in the first area, the display function is prevented from affecting the shooting function.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention. Thus, provided that these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims (10)

1. The terminal is characterized by comprising a display module and a glass cover plate arranged on the display module;

the first area of the glass cover plate is set as a lens of image acquisition equipment of the terminal;

a pixel circuit in the display module is provided with a photosensitive component of the image acquisition equipment; the photosensitive member is positioned in a projection area of the pixel circuit in the first area; the photosensitive part is electrically connected with a chip of the image acquisition equipment;

and the display module is used for controlling the pixel circuit corresponding to the first area to be in a non-luminous state when the image acquisition equipment works.

2. The terminal of claim 1,

the second area of the glass cover plate is used as a display area of the display module; the second area is an area of the glass cover plate except the first area;

the first area is used as a display area of the display module when the image acquisition equipment is in a non-working state and the display module is in a working state.

3. A terminal according to claim 2, wherein the photosensitive member comprises a photosensitive member which does not overlap with the pixel circuit.

4. The terminal of claim 3, wherein the pixel circuit is electrically connected to a chip of the image capture device; the chip is used as a processor of the display module and the image acquisition equipment.

5. The terminal as claimed in claim 4, wherein the terminal is provided with a touch screen module; and the touch circuit of the touch screen module is arranged in the pixel circuit.

6. The terminal as recited in claim 5, wherein the touch circuitry is connected to a chip of the image capture device; the chip of the image acquisition equipment is also used as a processor of the touch screen module;

or the touch circuit is connected with a chip of the touch screen module.

7. The terminal of claim 4, wherein the display module comprises a pixel array substrate provided with a pixel circuit, a color film substrate, and a liquid crystal layer arranged between the pixel array substrate and the color film substrate;

the photosensitive member is located between the pixel array substrate and the liquid crystal layer.

8. The terminal of claim 7, wherein the color filter substrate is a transparent material.

9. A terminal as claimed in claim 8, characterised in that the terminal is provided with a backlight.

10. The terminal of any one of claims 1-6, wherein the display module is an Active Matrix Organic Light Emitting Diode (AMOLED) comprising the pixel circuit and a self-emissive layer;

the photosensitive member is located between the pixel circuit and the self-light emitting layer, which is transparent.

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