CN111565238A

CN111565238A - Mobile phone with comprehensive screen

Info

Publication number: CN111565238A
Application number: CN201910113874.0A
Authority: CN
Inventors: 欧阳攀
Original assignee: Incoflex Semiconductor Technology Ltd
Current assignee: Incoflex Semiconductor Technology Ltd
Priority date: 2019-02-14
Filing date: 2019-02-14
Publication date: 2020-08-21

Abstract

A full screen mobile phone at least comprises a display screen, a front camera and a control module, wherein the front camera is arranged below the display screen, the control module is respectively connected with the display screen and the camera, and the display screen at least comprises a transparent substrate, an anode, an organic light-emitting diode functional layer and a cathode from bottom to top; and according to the arrangement design of the pixels on the transparent substrate, the control module controls the moving track of the front camera to bypass the pixels, so that the image or picture imaged by the front camera cannot be shielded by the pixels.

Description

Mobile phone with comprehensive screen

Technical Field

The invention relates to the technical field of mobile phones, in particular to a full-screen mobile phone with a front-facing camera arranged below a display screen.

Background

The full screen is interpreted from the literal that the front of the mobile phone is all screens. The peripheral frame positions of the mobile phone are designed in a frameless mode, and the screen occupation ratio is close to 100%. But is limited by current display screen technology, and only ultra-high screen ratio handsets, but no handsets with 100% front screen ratio, are available for the time being. The current market-named full-screen mobile phone is a mobile phone with a screen accounting rate of more than 90% and an ultra-narrow frame design. However, as the screen is larger and larger, the devices such as the handset of the mobile phone can be made small and hidden in the frame. However, for the front camera of the mobile phone, the existing technology is to place the front camera under the screen, and the method includes two modes of screen opening and transparent screen, wherein the screen opening is like the bang screen, beauty tip or water drop screen in the prior art, and the screen opening easily affects the screen occupation ratio and the visual perception. The transmittance of the transparent screen in the prior art is 40% -70%, but the camera imaging at the transmittance is fuzzy. But the traditional setting mode seriously hinders the improvement of the display screen ratio of the mobile phone or causes the defect of deformed mobile phone screens and the like.

In the prior art, in order to solve the defect of the display screen ratio of the mobile phone, the method is achieved by improving the transmittance, and the method mainly reduces the area of pixels or the number of pixels, however, reducing the area of pixels can improve the manufacturing difficulty of the display screen. In addition, the smaller the pixel area of the display screen is, the higher the amount of the pixels to be lit, which affects the service life of the screen. If the number of pixels is reduced, the number of pixels (PPI) in the area (or called pixel density) is reduced, which causes the display screen to have a graininess when displaying images.

Disclosure of Invention

Accordingly, in view of the defects of the prior art, a primary objective of the present invention is to provide a front-facing camera disposed under a display screen of a full-screen mobile phone, wherein when the mobile phone is in an on state, a control module in the full-screen mobile phone immediately turns off pixels on and around the front-facing camera so as to make the pixels not emit light, thereby solving the problem that the front-facing camera is disposed under the display screen to affect image or image output.

Another objective of the present invention is to improve the transmittance of the non-pixel region by using a non-metal mask/metal mask precision mask (FMM) evaporation method to prevent the deposition of material in the non-pixel region in the OLED functional layer of the OLED display.

Therefore, according to the above object, the present invention provides a full-screen mobile phone, which at least comprises a display screen, a front camera and a control module, wherein the front camera is disposed below the display screen, the control module is respectively connected to the display screen and the camera, and the display screen at least comprises a transparent substrate, an anode, an organic electroluminescent diode functional layer and a cathode from bottom to top. The full-screen mobile phone comprises a display screen, a control module and a display screen, wherein a transparent substrate of the display screen is provided with a pixel area and a non-pixel area, and when the full-screen mobile phone is in an open state of a front camera, the control module controls pixels on the front camera and on the periphery of the front camera to be closed so that the pixel area is a non-luminous area; and according to the arrangement design of the pixels on the transparent substrate, the control module controls the moving track of the front camera to bypass the pixels, so that the image or picture imaged by the front camera cannot be shielded by the pixels.

According to a preferred embodiment of the present invention, the functional layer of the organic electroluminescent diode is formed by a Fine Metal Mask (FMM) evaporation method.

According to a preferred embodiment of the present invention, the mask used in the precise metal mask evaporation method is a non-metal mask or a metal mask.

According to a preferred embodiment of the present invention, the moving track of the front camera can be a straight line, a curve, a polygon, a circle, an ellipse or an irregular shape.

According to a more preferred embodiment of the present invention, the front camera is moved by a micro-biaxial moving mechanism.

Drawings

FIG. 1 is a block diagram of a full-screen mobile phone according to the disclosed technology.

Fig. 2 is a schematic cross-sectional view illustrating a structure of a display panel according to the present disclosure.

FIG. 3 is a schematic diagram illustrating an image after the control module controls the peripheral pixels of the front camera to emit no light in the photographing mode according to the disclosed technology.

Fig. 4 is a schematic diagram showing a movement locus of the front camera.

Detailed Description

So that the manner in which the above recited features and advantages of the present invention can be understood and attained by a person skilled in the art, a more particular description of the invention, briefly summarized above, may be had by reference to the appended drawings, in which like reference numerals refer to like elements, features, and embodiments. The drawings referred to below are schematic representations relating to the features of the invention and are not necessarily drawn to scale. The description of the embodiments related to the present invention will not be repeated, except for those skilled in the art.

Please refer to fig. 1. FIG. 1 is a block diagram of a full-screen mobile phone according to the disclosed technology. In fig. 1, the full-screen mobile phone 1 at least includes a display screen 10, a front camera 12 and a control module 14, wherein the control module 14 is electrically connected to the display screen 10 and the front camera 12, the front camera 12 is disposed below the display screen 10, and the display screen 10 at least includes a transparent substrate 102, an anode 104, an organic electroluminescent diode functional layer 106 and a cathode 108 from top to bottom, and has a pixel region 1022 and a non-pixel region 1024 on the transparent substrate 102, as shown in fig. 2. It should be noted that the organic electroluminescent diode functional layer 106 is implemented by using a precision metal mask (FMM) evaporation method, the mask used by the precision metal mask evaporation method is a non-metal mask or a metal mask, and the purpose of using the precision metal mask is to prevent the non-pixel region 1024 from depositing material, so that the defect that in the prior art, when most organic electroluminescent diode functional layers use a Common Metal Mask (CMM), material is deposited in the non-pixel region 1024, and the transmittance of the non-pixel region 1024 is reduced can be solved by using the precision metal mask.

In addition, in the present invention, mainly for the technology of imaging by the full-screen mobile phone 1 when the front camera 12 is disposed under the display screen 10, the functions of other components and the connection modes between the components of the full-screen mobile phone 1, which are not mentioned above, are the same as those in the prior art, and are not the technical features of the present invention, so that no additional statement is made in the present invention.

Please refer to fig. 3. FIG. 3 is a schematic diagram illustrating an image after the control module controls the peripheral pixels of the front camera to emit no light in the photographing mode according to the disclosed technology. While fig. 3 is set forth, it will be described in conjunction with the block diagram of the full-screen handset 1 of fig. 1.

In the upper drawing of fig. 3, when the object 20 in front of the display screen 10 is photographed by the lens 122 of the front camera 12, the generated optical image is processed by the color filter array 124 and the image array 126, and the optical image is projected to the sensor (not shown in the figure), then the optical image is converted into an electrical signal, the electrical signal is converted into a digital signal by analog-to-digital conversion, the digital signal is processed by a Digital Signal Processor (DSP), and then is sent to the processor (not shown in the figure) of the full-screen mobile phone 1 for processing, when the image of the object 20 is acquired by the color filter array 124 and the image array 126, since the image of the object 20 passes through the pixel region 1022 and the non-pixel region 1024 on the display screen 10 at the same time, the image of the object 20 acquired by the front camera 12 after display is shielded by the pixels, resulting in an unclear image or picture of the final object 20.

In the lower diagram of fig. 3, when the full-screen mobile phone 1 is in the on state, since the non-pixel region 1024 of the display screen 10 does not deposit material and only the pixel region 1022 has deposited material, the transmittance of the whole display screen 10 is increased, so that when the full-screen mobile phone 1 is in the on state, the control module 14 in the full-screen mobile phone 1 controls the pixels around the front camera 12 (and the upper, lower, left and right) not to emit light, i.e. turns off (turn off) the pixels around the front camera 12, and the control module 14 transmits a signal to the control module 14 and the moving mechanism 16 electrically connected to the front camera 12, the moving mechanism 16 is activated to drive the front camera 12 to start moving, and the moving mechanism 16 controls the moving track of the front camera 12 to be a straight line, The front camera 12 moves according to the movement track while bypassing the non-light-emitting pixels, so as to prevent the image or video captured by the front camera 12 from being blocked by the non-light-emitting pixels. So that finally a high-definition image or video of the object 20 can be taken.

The following specific examples are given for the above-mentioned moving trajectory and moving manner. As shown in fig. 4, fig. 4 is a schematic diagram showing a movement locus of the front camera. In fig. 4, as stated above, when the full-screen mobile phone 1 is in the open state of the front camera 12, the control module 14 sends a signal to the moving mechanism 16 to start driving the front camera 12 to move, wherein the moving mechanism 16 may be a miniature dual-axis moving mechanism having an X axis and a Y axis, the X axis includes an X1 sub-axis and an X2 sub-axis, and the Y axis includes a Y1 sub-axis and a Y2 sub-axis, wherein the X1 sub-axis, the Y1 sub-axis may be defined as fine movement, and the X2 sub-axis, the Y2 sub-axis may be defined as coarse movement. The fine movement (X1 sub-axis and Y1 sub-axis) means that the micro two-axis moving mechanism 18 drives the front camera 12, the moving step is small, the moving speed is slow, but the obtained picture information is more, and the final image and video can be clearer; the rough movement (X2 sub-axis and Y2 sub-axis) means that the moving part of the front camera 12 driven by the micro two-axis moving mechanism 18 is large in size and fast in moving speed, the obtained picture information is little, and the finally obtained image and video of the object 20 are unclear.

Therefore, in a preferred embodiment of the present invention, in order to obtain high definition images or images, the control module 14 needs to control the X1 sub-axis and the Y1 sub-axis of the micro dual-axis moving mechanism 16 to drive the movement of the front camera 12, and the movement trajectory thereof may be, for example, a square or rectangular trajectory of the upper left drawing, a polygonal trajectory of the upper right drawing, a rectangular trajectory of the lower left drawing, or a triangular trajectory of the lower right drawing in fig. 4, and the control module 14 controls the X1 sub-axis and the Y1 sub-axis of the micro dual-axis moving mechanism 16 to drive the movement trajectory of the front camera 12, and the movement trajectories bypass the closed pixels, so that the images or images that can be obtained by the front camera 12 are not blocked by the pixels, and high definition images or images can be obtained.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention; while the foregoing is directed to embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.

Claims

1. The utility model provides a comprehensive screen cell-phone has display screen, leading camera and control module, leading camera sets up under the display screen, control module respectively with the display screen reaches camera electric connection, just the display screen from top to bottom includes transparent substrate, positive pole, organic electroluminescent diode functional layer and negative pole at least, its characterized in that, the full-face screen cell-phone includes:

the transparent substrate of the display screen is provided with a pixel area and a non-pixel area;

when the full-screen mobile phone is in an open state of the front camera, the control module controls the pixel domain on the area above and around the front camera to be closed, so that pixels on the area do not emit light; and

according to the arrangement design of the pixels on the transparent substrate, the control module controls the moving track of the front camera to bypass the pixels, so that the image or picture imaged by the front camera cannot be shielded by the pixels.

2. The full-screen mobile phone of claim 1, wherein the organic electroluminescent diode functional layer is achieved by a Fine Metal Mask (FMM) evaporation.

3. The full-screen mobile phone of claim 2, wherein the mask used by the precise metal mask evaporation means is a non-metal mask or a metal mask.

4. The full-screen mobile phone of claim 1, wherein the movement track of the front camera can be a straight line, a curved line, a polygon, a circle, an ellipse, or an irregular shape.

5. The full-screen cell phone of claim 1 or 4, wherein the front facing camera is moved using a moving mechanism.

6. The full-screen handset of claim 5, wherein the movement mechanism is a miniature dual-axis movement mechanism.