CN111477097B - Display screen, preparation method thereof and terminal - Google Patents
Display screen, preparation method thereof and terminal Download PDFInfo
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- CN111477097B CN111477097B CN201910065131.0A CN201910065131A CN111477097B CN 111477097 B CN111477097 B CN 111477097B CN 201910065131 A CN201910065131 A CN 201910065131A CN 111477097 B CN111477097 B CN 111477097B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly
Abstract
The present disclosure relates to a display screen, a method for manufacturing the same, and a terminal, wherein the display screen includes: a main display area; the camera coverage area is used for covering the upper part of the front camera, and the pixel density of the camera coverage area is smaller than that of the main display area; the transition area is arranged between the main display area and the camera covering area, and the pixel density of the transition area is between the pixel density of the main display area and the pixel density of the camera covering area; the main display area, the camera covering area and the transition area have different Gamma functions, so that the brightness difference of any two of the main display area, the camera covering area and the transition area is within +/-20% and the chromaticity difference is within +/-2 JNCCD under the same gray scale level. According to the display screen, the transition area is additionally arranged between the main display area and the coverage area of the camera, and the areas have similar brightness and chroma by designing the Gamma function, so that the consistency of the overall display vision of the display screen is improved.
Description
Technical Field
The disclosure relates to the technical field of electronic components, in particular to a display screen, a manufacturing method thereof and a terminal.
Background
The front camera of the prior mobile phone is generally arranged below a glass cover plate on the front side of the mobile phone.
Now with the development of the full-face screen, the space below the glass cover plate is less and less, and a front-facing camera needs to be placed below the screen. In order to ensure the image effect of the front camera, a special design needs to be made on a local area of the display panel, but the special design of the local area is greatly different from a general display design, so that the split feeling of the screen is caused.
Disclosure of Invention
In order to overcome the problems in the related art, the present disclosure provides a display screen, a method for manufacturing the same, and a terminal.
In one aspect, the present disclosure provides a display screen according to a first aspect of embodiments of the present disclosure, where the display screen includes:
a main display area;
the camera coverage area is used for covering the upper part of the front camera, and the pixel density of the camera coverage area is smaller than that of the main display area;
the transition area is arranged between the main display area and the camera covering area, and the pixel density of the transition area is between the pixel density of the main display area and the pixel density of the camera covering area;
the main display area, the camera covering area and the transition area have different Gamma functions, so that the brightness difference of any two of the main display area, the camera covering area and the transition area is within +/-20% and the chromaticity difference is within +/-2 JNCCD under the same gray scale level.
Optionally, the cathode material of the main display area is magnesium or magnesium-silver, the cathode material of the camera coverage area is indium tin oxide, and the cathode material of the transition area is indium tin oxide, magnesium or magnesium-silver;
the anode material of the main display area is indium tin oxide-silver-indium tin oxide, magnesium-silver or silver, the anode material of the coverage area of the camera is indium tin oxide, and the anode material of the transition area is indium tin oxide, indium tin oxide-silver-indium tin oxide, magnesium-silver or silver.
Optionally, the ratio of the pixel density of the main display area, the coverage area of the camera, and the transition area is 100: (0-99): (0-100).
Optionally, the number of the transition areas is multiple, and the pixel density between adjacent transition areas is the same or reduced according to the direction from the main display area to the coverage area of the camera.
According to a second aspect of the embodiments of the present disclosure, there is provided a manufacturing method of a display screen, the manufacturing method including:
acquiring a main display area, a camera coverage area and a transition area; the camera coverage area is used for covering the upper part of a front camera, the pixel density of the camera coverage area is smaller than that of the main display area, the pixel density of the transition area is between that of the main display area and that of the camera coverage area, and the main display area, the camera coverage area and the transition area have different Gamma functions, so that the brightness difference of any two of the main display area, the camera coverage area and the transition area is within +/-20% and the chromaticity difference is within +/-2 JNCD under the same gray scale level;
and arranging a transition area between the main display area and the camera coverage area.
Optionally, the cathode material of the main display area is magnesium or magnesium-silver, the cathode material of the camera coverage area is indium tin oxide, and the cathode material of the transition area is indium tin oxide, magnesium or magnesium-silver;
the anode material of the main display area is indium tin oxide-silver-indium tin oxide, magnesium-silver or silver, the anode material of the coverage area of the camera is indium tin oxide, and the anode material of the transition area is indium tin oxide, indium tin oxide-silver-indium tin oxide, magnesium-silver or silver.
Optionally, the ratio of the pixel density of the main display area, the coverage area of the camera, and the transition area is 100: (0-99): (0-100).
Optionally, the number of the transition areas is multiple, and the pixel density between adjacent transition areas is the same or reduced according to the direction from the main display area to the coverage area of the camera.
According to a third aspect of the embodiments of the present disclosure, a terminal is provided, which includes the display screen and the front camera provided in the present disclosure.
Optionally, the terminal is a mobile phone.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:
according to the display screen, the transition area is additionally arranged between the main display area and the coverage area of the camera, the chromaticity difference of each area caused by the change of the pixel density is gradually transited, in addition, the areas have similar brightness and chromaticity by designing the Gamma function, and the consistency of the integral display vision of the display screen is improved.
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 block diagram of a display screen shown in accordance with an exemplary embodiment.
FIG. 2 is a flow chart illustrating a method of preparing a display screen according to 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 disclosure, as detailed in the appended claims.
FIG. 1 is a block diagram of a display screen shown in accordance with an exemplary embodiment. As shown in fig. 1, the present disclosure provides a display screen, comprising: a main display area 1; the camera coverage area 2 is used for covering the upper part of the front camera 100, and the pixel density of the camera coverage area 2 is smaller than that of the main display area 1; the transition area 3 is arranged between the main display area 1 and the camera coverage area 2, and the pixel density of the transition area 3 is between that of the main display area 1 and that of the camera coverage area 2; the main display area 1, the camera coverage area 2 and the transition area 3 have different Gamma functions, so that the brightness difference of any two of the main display area 1, the camera coverage area 2 and the transition area 3 is within +/-20% and the chromaticity difference is within +/-2 JNCCD under the same gray scale level. According to the display screen, the transition area is additionally arranged between the main display area and the camera covering area, the chromaticity difference is gradually transited, in addition, the areas have similar brightness and chromaticity by designing the Gamma function, and the consistency of the integral display vision of the display screen is improved.
It should be noted that, in the embodiment of the present disclosure, the pixel density refers to the number of pixels per inch of the display screen, and the pixel density of the camera coverage area 2 is smaller than the pixel density of the main display area 1, so that the camera coverage area 2 has a higher transmittance, the shooting effect of the front camera is improved, and the main display area 1 has a better display effect. The gray scale refers to the gradation of the brightness variation of the pixel, and 256 gradations exist between the brightest and darkest of each pixel by taking 256 gradations as an example, because each area imageThe pixel density, the cathode material, the anode material, the driving circuit and the like are different, so that the overall brightness (measured by adopting a brightness meter) and the chromaticity of each region are different under the same gray scale level, and the display of the display screen has a split feeling2) And the chromaticity difference feeling between the main display area and the camera covering area is reduced by arranging the transition area. The specific adjustment method of the Gamma function is well known to those skilled in the art, and the detailed description of the disclosure is omitted.
In an exemplary embodiment, the cathode material of the main display area 1 may be magnesium or magnesium-silver, etc., the cathode material of the camera coverage area 2 may be indium tin oxide or other transparent cathode materials, etc., and the cathode material of the transition area 3 may be indium tin oxide, magnesium or magnesium-silver, etc.; the anode material of the main display area 1 may be indium tin oxide-silver-indium tin oxide, magnesium-silver, or silver, the anode material of the camera coverage area 2 may be indium tin oxide or other transparent anode materials, and the anode material of the transition area 3 may be indium tin oxide, indium tin oxide-silver-indium tin oxide, magnesium-silver, or silver.
In an exemplary embodiment, the ratio of the pixel density of the main display area 1, the camera coverage area 2 and the transition area 3 may be 100: (0-99): (0-100), preferably 100: (5-95): (5-98), the pixels of the camera covering area 2 can be 0, so that the camera covering area is in a complete transparent state, the transition area 3 can be one or more, when the transition area 3 is one, the pixel density is larger than that of the camera covering area 2 and smaller than that of the main display area 1, when the transition area 3 is multiple, one or more of the transition areas can have the same pixel density as that of the main display area 1, and the other one or more of the transition areas can have the same pixel density as that of the camera covering area 2.
In an exemplary embodiment, the transition areas 3 may be multiple, and the pixel density between adjacent transition areas 3 may be the same or reduced according to the direction from the main display area 1 to the camera covering area 2. Specifically, there are three cases as follows: a. the transition areas 3 have the same pixel density, and the pixel density is greater than that of the camera covering area 2 and less than that of the main display area 1; b. the transition areas 3 have completely different pixel densities, the pixel density of the transition area 3 connected with the main display area 1 can be the same as that of the main display area 1, and the pixel density of the transition area 3 connected with the camera coverage area 2 can be the same as that of the camera coverage area 2; c. the pixel density of some transition regions among the plurality of transition regions 3 is the same, the pixel density of some transition regions is different, and the transition regions having the same pixel density are preferably contiguous.
FIG. 2 is a flow chart illustrating a method of manufacturing a display screen according to an exemplary embodiment. As shown in fig. 2, the method includes the following steps.
Step 101: acquiring a main display area, a camera coverage area and a transition area; the camera coverage area is used for covering the upper part of a front camera, the pixel density of the camera coverage area is smaller than that of the main display area, the pixel density of the transition area is between that of the main display area and that of the camera coverage area, and the main display area, the camera coverage area and the transition area have different Gamma functions, so that the brightness difference of any two of the main display area, the camera coverage area and the transition area is within +/-20% and the chromaticity difference is within +/-2 JNCD under the same gray scale level;
step 102: and arranging a transition area between the main display area and the camera coverage area.
It should be noted that, in the embodiment of the present disclosure, the pixel density is the number of pixels per inch of the display screen, and the pixel density of the camera coverage area is smaller than the pixel density of the main display area, so that the camera coverage area has a higher transmittance, the shooting effect of the front camera is improved, and the main display area has a better display effect. The gray scale refers to the gradation of the brightness variation of the pixels, and 256 gradations exist between the brightest and darkest of each pixel by taking 256 gradations as an example, because each area of the pixelsThe density, cathode material, anode material and driving circuit are different so that the overall brightness (measured by a brightness meter in cd/m) of each region is the same gray level2) The display of the display screen has split feeling due to different chromaticities, the embodiment of the disclosure enables each area to have similar brightness under the same gray scale level by adjusting the Gamma function of each area, the chromaticity of the pixel can be adjusted by respectively adjusting the Gamma functions of three sub-pixels RGB in one pixel, and the chromaticity difference feeling between the main display area and the coverage area of the camera is reduced by arranging the transition area. The specific adjustment method of the Gamma function is well known to those skilled in the art, and the detailed description of the disclosure is omitted. JNCCD is the color difference value just indistinguishable by two colors in CIELAB space, and 3NBS is taken.
In an exemplary embodiment, the cathode material of the main display area may be magnesium or magnesium-silver, etc., the cathode material of the camera covering area may be indium tin oxide or other transparent cathode materials, etc., and the cathode material of the transition area may be indium tin oxide, magnesium or magnesium-silver, etc.; the anode material of the main display area can be indium tin oxide-silver-indium tin oxide, magnesium-silver or silver, the anode material of the camera covering area can be indium tin oxide or other transparent anode materials, and the anode material of the transition area can be indium tin oxide, indium tin oxide-silver-indium tin oxide, magnesium-silver or silver, and the like.
In an exemplary embodiment, the ratio of the pixel density of the main display area, the camera coverage area and the transition area may be 100: (0-99): (0-100), preferably 100: (5-95): (5-98), the pixel of the camera covering area can be 0, so that the camera covering area is in a complete transparent state, the transition area can be one or more, when the transition area is one, the pixel density of the transition area is larger than that of the camera covering area and smaller than that of the main display area, when the transition area is multiple, one or more of the transition areas can have the same pixel density as that of the main display area, and the other one or more of the transition areas can have the same pixel density as that of the camera covering area.
In an exemplary embodiment, the transition area may be multiple, and the pixel density between adjacent transition areas may be the same or decreased according to the direction from the main display area to the camera covering area. Specifically, there are three cases as follows: a. the transition areas have the same pixel density, and the pixel density is greater than that of the coverage area of the camera and less than that of the main display area; b. the transition areas have completely different pixel densities, the pixel density of the transition area connected with the main display area can be the same as that of the main display area, and the pixel density of the transition area connected with the coverage area of the camera can be the same as that of the coverage area of the camera; c. the pixel density of some transition areas in the plurality of transition areas is the same, the pixel density of some transition areas is different, and the transition areas with the same pixel density are preferably connected.
In an exemplary embodiment, the present disclosure provides a terminal including a display screen and a front camera 100 provided by the exemplary embodiment of the present disclosure.
In an exemplary embodiment, the terminal is a mobile phone, which preferably has a full-screen and a front-facing camera.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure. 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 (10)
1. A display screen, wherein the display screen comprises:
a main display area (1);
the camera coverage area (2) is used for covering the upper part of the front camera (100), and the pixel density of the camera coverage area (2) is smaller than that of the main display area (1);
the transition area (3) is arranged between the main display area (1) and the camera coverage area (2), and the pixel density of the transition area (3) is between that of the main display area (1) and that of the camera coverage area (2);
the main display area (1), the camera coverage area (2) and the transition area (3) have different Gamma functions, and the Gamma functions of the RGB of the three sub-pixels in each pixel are adjusted respectively, so that the brightness difference of any two of the main display area (1), the camera coverage area (2) and the transition area (3) in the same gray scale level is within +/-20% and the chromaticity difference is within +/-2 JNCD.
2. A display screen according to claim 1, characterised in that the cathode material of the main display area (1) is magnesium or magnesium-silver, the cathode material of the camera coverage area (2) is indium tin oxide, and the cathode material of the transition area (3) is indium tin oxide, magnesium or magnesium-silver;
the anode material of the main display area (1) is indium tin oxide-silver-indium tin oxide, magnesium-silver or silver, the anode material of the camera covering area (2) is indium tin oxide, and the anode material of the transition area (3) is indium tin oxide, indium tin oxide-silver-indium tin oxide, magnesium-silver or silver.
3. A display screen according to claim 1, characterised in that the ratio of the pixel densities of the main display area (1), the camera footprint (2) and the transition area (3) is 100: (0-99): (0-100).
4. A display screen according to claim 1, characterised in that the transition areas (3) are plural and that the pixel density between adjacent transition areas (3) is the same or decreases in the direction of the main display area (1) towards the camera coverage area (2).
5. A preparation method of a display screen is characterized by comprising the following steps:
acquiring a main display area, a camera coverage area and a transition area; the device comprises a main display area, a camera coverage area, a transition area, a main display area, a camera coverage area and a control area, wherein the camera coverage area is used for covering the upper part of a front camera, the pixel density of the camera coverage area is smaller than that of the main display area, the pixel density of the transition area is between that of the main display area and that of the camera coverage area, the main display area, the camera coverage area and the transition area have different Gamma functions, and the Gamma functions of RGB (red, green and blue) of three sub-pixels in each pixel are respectively adjusted so that the brightness difference of any two of the main display area, the camera coverage area and the transition area at the same gray scale level is within +/-20% and the chromaticity difference is within +/-2 JNCD;
and arranging a transition area between the main display area and the camera coverage area.
6. The manufacturing method according to claim 5, wherein the cathode material of the main display area is magnesium or magnesium-silver, the cathode material of the camera covering area is indium tin oxide, and the cathode material of the transition area is indium tin oxide, magnesium or magnesium-silver;
the anode material of the main display area is indium tin oxide-silver-indium tin oxide, magnesium-silver or silver, the anode material of the coverage area of the camera is indium tin oxide, and the anode material of the transition area is indium tin oxide, indium tin oxide-silver-indium tin oxide, magnesium-silver or silver.
7. The method of claim 5, wherein the ratio of the pixel density of the main display area, the camera footprint area, and the transition area is 100: (0-99): (0-100).
8. The manufacturing method according to claim 5, wherein the transition area is plural, and the pixel density between the adjacent transition areas is the same or decreased according to the direction from the main display area to the camera covering area.
9. A terminal, characterized in that it comprises a display screen and a front-facing camera (100) according to any of claims 1-4.
10. The terminal of claim 9, wherein the terminal is a mobile phone.
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| CN112037704B (en) * | 2020-09-01 | 2023-01-24 | Oppo广东移动通信有限公司 | Display panel and electronic device |
| WO2022099624A1 (en) * | 2020-11-13 | 2022-05-19 | 京东方科技集团股份有限公司 | Display device, and brightness compensation circuit and brightness compensation method thereof |
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