CN108520888B - Display screen and display device thereof - Google Patents
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- CN108520888B CN108520888B CN201810283499.XA CN201810283499A CN108520888B CN 108520888 B CN108520888 B CN 108520888B CN 201810283499 A CN201810283499 A CN 201810283499A CN 108520888 B CN108520888 B CN 108520888B
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/122—Pixel-defining structures or layers, e.g. banks
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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
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Control Of El Displays (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
A display screen comprises a first display area and a second display area; the pixel density of the first display area is smaller than that of the second display area, the first display area comprises a plurality of first pixel units, and the routing lines for driving the first pixel units are located in the second display area. The display screen is provided with a first display area and a second display area, the pixel density of the first display area is set to be smaller than that of the second display area, the first display area, namely the low pixel density area, can be used for displaying simple images such as signal intensity, outside temperature, battery grid number and the like, and micro devices such as a camera, an iris recognition sensor and the like can be arranged in the special display area through the setting, so that full-screen display and full-screen operation in the real sense are realized.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display screen and a display device thereof.
Background
Nowadays, various mobile communication terminals go deep into the life of people, and devices such as mobile phones and tablet computers become common communication tools in modern life. Meanwhile, people have higher and higher requirements on mobile communication terminals, and not only can take a mobile phone for example by video, photographing and surfing the internet, but also the performance of the mobile phone is stronger and stronger along with the continuous development of the mobile phone industry. In recent years, mobile phones with high screen occupation are more and more popular with consumers. The full-screen mobile phone finally becomes a tendency of pursuing the industry. The full-screen mobile phone not only has good appearance, but also can realize more content display, and brings better user experience.
Most of full-screen mobile phones in the market still simply integrate the screen and the front camera into the same plane, so that the proportion of the front screen of the mobile phone is compressed, the display screen of the mobile phone cannot fill the whole area of the front of the mobile phone, and full-screen operation in the true sense cannot be realized.
Disclosure of Invention
Accordingly, it is necessary to provide a display screen and a display device thereof for solving the problem that a mobile terminal cannot realize full-screen operation.
A display screen comprises a first display area and a second display area;
the pixel density of the first display area is smaller than that of the second display area, the first display area comprises a plurality of first pixel units, and the routing lines for driving the first pixel units are located in the second display area.
The display screen is provided with a first display area and a second display area, the pixel density of the first display area is set to be smaller than that of the second display area, the first display area, namely the low pixel density area, can be used for displaying simple images such as signal intensity, outside temperature, battery cell number and the like, and micro devices such as a camera, an iris recognition sensor and the like can be arranged in the first display area and the second display area through the setting, so that full-screen display and full-screen operation in the real sense can be realized.
In one embodiment, the trace for driving the first pixel unit is disposed around one side of the first display area.
In one embodiment, the traces for driving the first pixel unit are arranged side by side in the same extending direction.
In one embodiment, the second display region includes a plurality of second pixel units, and the opening area of the sub-pixels in the first pixel unit is larger than the opening area of the sub-pixels with the same color in the second pixel unit.
In one embodiment, the first pixel unit comprises a red sub-pixel, a green sub-pixel and a blue sub-pixel, and the opening area of the red sub-pixel is larger than that of the other sub-pixels in the first pixel unit.
In one embodiment, the area of the first display region is smaller than the area of the second display region.
In one embodiment, the ratio of the sum of the areas of the first display area and the second display area to the area of the second display area is (6-18): 10000.
in one embodiment, the first display area and the second display area adopt PMOELD display screens, and the second display area adopts AMOLED display screens.
A display device, comprising:
a display screen as described in any of the above embodiments;
and the under-screen photosensitive module is arranged below the first display area and can sense light irradiated through the display screen.
In one embodiment, the under-screen photosensitive module is at least one of a photoelectric sensor and a camera.
Drawings
Fig. 1 is a schematic structural diagram of a display screen according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a display screen according to an embodiment of the present application.
Fig. 3 is a schematic structural diagram of a first display region according to an embodiment of the present application.
Wherein:
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
Referring to fig. 1, the present application provides a display screen 10. The display screen 10 is an OLED display screen, and may also be an LCD display screen, and is applied to various display devices and mobile terminals. The display screen 10 includes a first display area 100 and a second display area 200, the pixel density of the first display area 100 is lower than that of the second display area 200, the first display area 100 can be used for displaying simple pictures such as the number of battery grids and signal intensity, micro components such as a camera and an iris recognition sensor can be arranged at the bottom of the first display area, and the second display area 200 is used for displaying normal display pictures, so that the basic functions of the intelligent mobile terminal are met, and full-screen display and full-screen operation of the mobile terminal can be realized.
Referring to fig. 2, in an embodiment, only one first pixel is disposed in the first display area 100 of the display panel 10, the first pixel includes a plurality of first pixel units, and the opening area of the sub-pixel of the first pixel unit is larger than the opening area of the same sub-pixel of the second display area 200. It is conceivable that the opening area of the first pixel unit is smaller than the opening area of the third pixel unit in the second display region 200 to provide a limited number of pixel units in the first display region 100.
Further, the large pixel is driven in parallel by a plurality of sub-pixels to provide a sufficient driving voltage. To achieve the above object, the drive TFT of the above large pixel may be increased in width as appropriate. Note that, in the above-described evaporation process of the large pixel, both RGB and FMM (high precision metal mask) have an opening in the large pixel, and the white coordinate of the large pixel is tuned to be balanced with the overall white coordinate by adjusting the aperture ratio and the thickness of the light emitting layer (EML). The area where the large pixel is located is finally used as the display area of the simple picture by the evaporation method. In this region, the large pixels are provided by reducing the pixel density, and thus, for example: and the display areas of simple pictures such as electric quantity, signal intensity, time, external temperature, virtual keys and the like.
In an embodiment, the first display area 100 further includes a driving signal line electrically connected to the first pixel unit, the driving signal line is used for driving the first pixel in the first display area, and the routing line is located in the second display area to avoid affecting the display function of the first pixel.
Further, as shown in fig. 3, the first display area 100 is at least one circular area, the power supply and the driving wires under the screen bypass the central area of the circular first display area 100 in a bypassing manner, and the camera or other various micro sensors and other components are disposed in the central area of the circular area, so that the camera can be normally used when the camera is driven to be turned on.
Specifically, the driving trace for driving the first pixel in the first display region is a plurality of driving signal lines arranged side by side.
In one embodiment, the second display area 200 in the display screen 10 includes a plurality of second pixel units and second driving signal lines for driving the pixels to display. The sub-pixels of the same color in the second pixel are smaller than the opening area of the sub-pixels in the first pixel unit. The area openings of the sub-pixels included in the first pixel of the first display region 100 are made larger than those of the sub-pixels with the same color in the second pixel, so that the area of the first pixel is increased, and a simple image can be displayed although the display capability is sacrificed.
Further, the first driving signal lines in the first display area 100 and the second driving signal lines in the second display area 200 are disposed in parallel to commonly display images on the display screen.
In one embodiment, the first pixel unit includes a red sub-pixel, a green sub-pixel, and a blue sub-pixel, and an opening area of the red sub-pixel is larger than that of the other sub-pixels in the first pixel unit. The requirement on the display function of the first pixel unit is reduced, and meanwhile, the working life of the red sub-pixel compared with other sub-pixels is guaranteed by enlarging the opening area of the red sub-pixel.
Referring to fig. 1 and fig. 2, in one embodiment, the first display area 100 may also be square, rectangular, or a combination of square and rectangular. The setting can be selected according to the requirements of various display devices, mobile terminals and the like on the display screen 10.
Further, the area ratio of the first display area 100 to the second display area 200 is (6 to 18): 10000, so set up to guarantee the high screen of full screen accounts for than.
In one embodiment, the first display area 100 is a PMOELD (passive-driven OLED) display screen, the PMOLED is simply formed by a cathode and an anode in a matrix, pixels in the array are lighted by scanning, and each pixel is operated in a short pulse mode and emits light with high brightness instantaneously. The second display area adopts an AMOLED display screen (active-driven OLED), the AMOLED adopts independent thin film transistors to control each pixel, each pixel can continuously and independently drive to emit light, and can be driven by low-temperature polysilicon or oxide TFT. Therefore, the first display area 100 and the first display area 100 can be used for displaying simple images, and the second display area 200 is used as a normal display area.
In one embodiment, to ensure that the display screen 10 does not affect the normal display of the mobile terminal when applied to various types of mobile terminals, the first display area 100 may be disposed at the periphery of the display screen 10, which may be the top, the bottom, or the left and right sides, so as to reduce the influence of the first display area 100 on the second display area 200.
Further, the first display area 100 may be disposed at the top left and right corners or the bottom left and right corners, or may be disposed at the middle ends of the left and right sides.
Specifically, the display screen 10 may be disposed at different positions of the display screen 10 according to different requirements of various mobile terminals. The picture with low display requirements is arranged below the screen, for example: electrical quantity, signal strength, time, outside temperature, virtual keys, etc.
In one embodiment, the display screen 10 includes at least one first display area 100 to meet different requirements of various types of display devices and mobile terminals.
Further, when the various display devices and mobile terminals have a plurality of micro-components such as a camera, an iris recognition sensor, a distance sensor, etc. to be disposed under the screen, a corresponding plurality of display screens 10 having the first display area 100 are required.
In an embodiment, the area of the first display area 100 is much smaller than that of the second display area 200, and it can be understood that an area on the display screen 10 that needs a normal display screen should occupy a very large proportion of the display screen 10, because the first display area 100 is used for hiding the micro devices, and the display screen is also a screen with low display requirements, such as: electrical quantity, signal strength, time, outside temperature, virtual keys, etc.
In an embodiment, pixels may not be disposed in the first display area 100 to hide and dispose components such as a camera or other various micro sensors, so that the first display area 100 is always transparent and does not display a picture.
Further, to ensure that the second display area 200 can normally display the image, the first display area 100 without pixels may be disposed at two top corners or two bottom corners of the display screen 10 to reduce the influence on the normal display function of the second display area 200.
The present application further provides a display device, which includes the display screen 10 described in any of the above embodiments. The display device further comprises a pixel control module for driving the pixel units of the first display area 100 to be turned on or off. It should be understood that the OLED is a self-luminous device, and the large pixels of the first display region 100 are set as independently controlled pixels. The large pixel is driven in parallel by a plurality of sub-pixels to provide a sufficient driving voltage and can be independently controlled independently of the second display region 200.
Further, the pixel control module further includes a detection unit and a pixel control unit, the detection unit is configured to detect whether components such as a camera or other various micro sensors need to be turned on or detect whether the various components are turned on, and the pixel control unit is configured to drive the large pixels in the first display area 100 to be turned on or off according to a signal result detected by the detection unit. When the camera or other various micro sensors and other components need to be or are already in an open state, the large pixel is controlled to be in a closed state, so that the normal operation of the camera or other various micro sensors and other components can be ensured. When the camera or other various micro sensors and other components are in a closed state, the large pixel is controlled to be in an open state, so that the first display area 100 can normally display the original display picture.
In one embodiment, the display device further comprises a back shell which is covered with the display device; and a main board fixed between the display device and the back shell. The mainboard is electrically connected with the photosensitive module under the screen, such as the camera or other various components and parts such as the micro-sensor and the display device. It is understood that the display device may be a mobile phone, a tablet computer, a notebook computer, or the like.
In an embodiment, an area of the display device corresponding to a camera or other various micro sensors that need to be hidden below the screen is the first display area 100. The pixel density of the first display region 100 is designed to be smaller than the pixel density of the second display region 200. When the display function is not required to be executed, the area is close to the transparent effect to the maximum extent, and the camera can obtain light rays from the transparent area to form images so as to complete the normal shooting function; miniature sensors such as iris recognition sensors can also work normally. When the display function needs to be executed, since the area directly opposite to the first display area 100 still has pixels, the image with low display requirement, such as power, signal strength, time, external temperature, virtual key, etc., can still be displayed due to the characteristic of low pixel density. An effective display area required for the display device, that is, an area where a screen having a high demand for display is displayed is the second display area 200.
In summary, according to the display screen 10 and the display device thereof provided by the present application, the display screen 10 is designed as the OLED display screen 10, and the camera or other various micro sensors to be hidden are disposed in the first display area 100 of the display screen 10 according to the self-luminous characteristic of the OLED display screen 10. Because the pixels of the first display area 100 are designed to be arranged specially, the pixel density of the first display area 100 is low, so that the first display area 100 only displays a picture with low display requirements when performing a display function, such as: electrical quantity, signal strength, time, outside temperature, virtual keys, etc. When the display function is not executed, the large pixels in the first display area 100 are closed through the pixel control module, so that the first display area 100 has a transparent effect, and various components below the first display area 100 can work normally. Thereby effectively improving the screen occupation ratio of the effective display area of the overall display screen 10; and various component functions and simple picture display functions are freely switched by independently controlling the large pixels in the first display area 100; by designing the pixel arrangement of the first display area 100, the influence of the components arranged under the screen in the first display area 100 on the display effect and the appearance is minimized.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A display screen is characterized in that the display screen comprises a display screen body,
the display screen comprises a first display area and a second display area;
the pixel density of the first display area is smaller than that of the second display area, the first display area comprises a plurality of first pixel units, wiring lines for driving the first pixel units are located in the second display area, the first display area is used for displaying simple pictures, the bottom of the first display area is used for mounting miniature components, the second display area is used for displaying normal display pictures, the second display area comprises a plurality of second pixel units and second driving signal lines for driving the second pixel units to display the pixels, and the wiring lines for driving the first pixel units and the second driving signal lines are arranged in parallel to display images on the display screen together.
2. The display screen of claim 1, wherein the traces for driving the first pixel cells are disposed around one side of the first display area.
3. The display screen of claim 1, wherein the traces for driving the first pixel units are arranged side by side in a same extending direction.
4. The display screen of claim 1, wherein the opening area of the sub-pixels in the first pixel unit is larger than the opening area of the sub-pixels with the same color in the second pixel unit.
5. The display screen of claim 1, wherein the first pixel unit comprises a red sub-pixel, a green sub-pixel and a blue sub-pixel, and the opening area of the red sub-pixel is larger than the opening area of the other sub-pixels in the first pixel unit.
6. The display screen of claim 1, wherein the area of the first display region is smaller than the area of the second display region.
7. The display screen of claim 6, wherein the ratio of the area of the first display area to the area of the second display area is (6-18): 10000.
8. the display screen of claim 1, wherein the first display area is a PMOELD display screen and the second display area is an AMOLED display screen.
9. A display device, comprising:
a display screen according to any one of claims 1 to 8;
and the under-screen photosensitive module is arranged below the first display area and can sense light irradiated through the display screen.
10. The display device according to claim 9, wherein the off-screen photosensitive module is at least one of a photosensor and a camera.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810283499.XA CN108520888B (en) | 2018-04-02 | 2018-04-02 | Display screen and display device thereof |
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| CN201810283499.XA CN108520888B (en) | 2018-04-02 | 2018-04-02 | Display screen and display device thereof |
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| CN108520888A CN108520888A (en) | 2018-09-11 |
| CN108520888B true CN108520888B (en) | 2022-02-22 |
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| CN113707070B (en) * | 2017-10-31 | 2023-12-08 | 武汉天马微电子有限公司 | Display panel and display device |
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