CN111081741B - Display device - Google Patents
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- CN111081741B CN111081741B CN201911243609.0A CN201911243609A CN111081741B CN 111081741 B CN111081741 B CN 111081741B CN 201911243609 A CN201911243609 A CN 201911243609A CN 111081741 B CN111081741 B CN 111081741B
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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
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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
- H10K59/353—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels characterised by the geometrical arrangement of the RGB subpixels
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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
- H10K59/60—OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes
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- Microelectronics & Electronic Packaging (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The application provides a display device, which comprises an organic light-emitting diode display panel, a color camera module and a second camera module; the organic light emitting diode display panel comprises a light-transmitting display subarea and a light-transmitting subarea; the color camera module is arranged corresponding to the light-transmitting subarea; the second camera module is arranged corresponding to the light-transmitting display sub-area; the organic light-emitting diode display panel comprises an organic light-emitting diode display module, a polaroid, a cover plate and a color film structure layer, wherein a first through hole is formed in the polaroid and corresponds to the light-transmitting display sub-area; the cover plate is arranged on the polarizer and extends to the light-transmitting subarea; the color film structure layer is arranged on one side, facing the polaroid, of the cover plate, and the color film structure layer is arranged corresponding to the light-transmitting display sub-area. The color image obtained by the color camera module and the black-and-white or color image obtained by the second camera module are adopted, and a clear color image is obtained under the synthesis processing of the image processing software.
Description
Technical Field
The present disclosure relates to display technologies, and particularly to a display device.
Background
With the development of science and technology and the improvement of product requirements of people, a full screen with a screen ratio close to 100% is an expected technology of the smart phone. In order to realize the ultrahigh screen ratio, a front-facing camera needs to be placed below the display screen. The prior front camera realizes the comprehensive screen technology through a punching mode, but still cannot realize the comprehensive screen technology with higher screen occupation ratio. When the front camera is arranged below the display screen, the camera below the display screen cannot realize clear imaging due to the low transmittance of the display screen to visible light. The transmittance of the polarizer for the organic light emitting diode display panel is usually 40% -50%, so the polarizer is one of the important factors for reducing the screen transmittance, and further the front camera cannot obtain clear images. The above-mentioned problems limit the application of the under-screen camera.
Disclosure of Invention
The embodiment of the application provides a display device to solve the technical problem that a front camera of the existing display device obtains an unclear image.
An embodiment of the present application provides a display device, the display device includes:
the display panel comprises a display area and a frame area, wherein the frame area is positioned on the outer peripheral side of the display area, the display area comprises a light-transmitting display subarea, and the frame area comprises a light-transmitting subarea;
the first camera module is a color camera module, the color camera module is arranged on one side of the organic light emitting diode display panel, which faces away from a user, and is used for acquiring a color image, and the color camera module is arranged corresponding to the light-transmitting subarea; and
the second camera module is arranged on one side, back to a user, of the organic light-emitting diode display panel and corresponds to the light-transmitting display sub-area;
the organic light emitting diode display panel includes:
an organic light emitting diode display module;
the polaroid is arranged on the organic light-emitting diode display module, and a first through hole is formed in the polaroid and corresponds to the light-transmitting display sub-area;
a cover plate disposed on the polarizer and extending to the bezel region;
the color film structure layer is arranged on one side, facing the polaroid, of the cover plate, and the color film structure layer is arranged corresponding to the light-transmitting display sub-area.
In the display device of this application, the color camera module includes a wide angle lens and color camera, the one end orientation of wide angle lens the printing opacity subregion, the other end orientation of wide angle lens the color camera.
In the display device of this application, wide angle lens is the optic fibre of a 90 degrees buckles, optic fibre is including consecutive vertical section, bending segment and horizontal segment, vertical section sets up the frame district just is located one side of OLED display module assembly, the horizontal segment is located OLED display module assembly user's one side dorsad, the bending segment is connected vertical section with between the horizontal segment, the bending segment is circular-arcly.
In the display device of the application, the organic light emitting diode panel further comprises a light shielding layer, the light shielding layer is located in the frame area and is arranged on one side, back to a user, of the cover plate, the light shielding layer is provided with a second through hole, and the second through hole is located in the light transmitting sub-area;
one end of the wide-angle lens faces the second through hole.
In the display device of the present application, the second through hole further penetrates the cover plate.
In the display device, the color film structure layer comprises a red light resistor, a green light resistor and a blue light resistor; the organic light emitting diode display module comprises a red light emitting sub-pixel, a green light emitting sub-pixel and a blue light emitting sub-pixel; the second camera shooting module comprises a red sub-pixel, a green sub-pixel and a blue sub-pixel;
the red light resistance, the red light-emitting sub-pixel and the red sub-pixel are coaxially arranged, the green light resistance, the green light-emitting sub-pixel and the green sub-pixel are coaxially arranged, and the blue light resistance, the blue light-emitting sub-pixel and the blue sub-pixel are coaxially arranged.
In the display device of the application, the organic light emitting diode display module comprises a plurality of light emitting sub-pixels;
and the density of the luminous sub-pixels in the light-transmitting display sub-area is greater than or equal to that of the luminous sub-pixels in other areas of the organic light-emitting diode display module.
In the display device of the present application, the transmission width range of the color filter structure layer for light of each wavelength is between 3 nanometers and 50 nanometers.
In the display device of the application, the second camera module is a color camera module or a black and white camera module.
In the display device of the application, the cover plate and the optical adhesive layer are further arranged between the polaroids, and the optical adhesive layer covers the polaroids and fills the first through holes.
Compared with the display panel in the prior art, the display device adopts the color camera module to acquire a large-range color image and adopts the second camera module to acquire a small-range black-white or color image, and obtains a clear color image under the synthesis processing of the image processing software; wherein the color camera module is arranged corresponding to the light-transmitting subarea of the frame area; the technical problem that the image acquired by a front camera of the existing display device is not clear is solved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required in the embodiments are briefly described below. The drawings in the following description are only some embodiments of the present application, and it will be obvious to those skilled in the art that other drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic top view of a display device according to an embodiment of the present application;
FIG. 2 is an enlarged view of B in FIG. 1;
fig. 3 is a cross-sectional view of line AA in fig. 2.
Detailed Description
Refer to the drawings wherein like reference numbers refer to like elements throughout. The following description is based on illustrated embodiments of the application and should not be taken as limiting the application with respect to other embodiments that are not detailed herein.
Referring to fig. 1, fig. 1 is a schematic top view structure diagram of a display device according to an embodiment of the present application; FIG. 2 is an enlarged view of B in FIG. 1; fig. 3 is a cross-sectional view of line AA in fig. 2.
The display device 100 of the present embodiment includes an organic light emitting diode display panel 10, a first camera module 20, and a second camera module 30. Wherein the first camera module 20 is a color camera module 20.
The color camera module 20 and the second camera module 30 are both disposed on a side of the oled display panel facing away from the user.
Specifically, the organic light emitting diode display panel 10 includes a display region 10a and a frame region 10b located at an outer circumferential side of the display region 10 a. Display area 10a includes a light transmissive display sub-area a 1. The frame region 10b includes a light transmissive sub-region b 1. The color camera module 20 is disposed on a side of the oled display panel 10 facing away from a user, and is used to obtain a color image in a smaller range. The color camera module 20 is disposed corresponding to the light-transmitting sub-area b 1. The second camera module 30 is disposed on a side of the oled display panel 10 facing away from the user, and is used for acquiring a wide range of images. The second camera module 30 is disposed corresponding to the transmissive display sub-area a 1.
It should be noted that the color image of a smaller range acquired by the color camera module 20 is compared with the image acquired by the second camera module 30. The second camera module 30 captures a larger range of images than the color camera module. That is, the viewing angle of the color camera module 20 is smaller than that of the second camera module 30.
Therefore, the color camera module 20 acquires a color image with a small imaging range and high definition, and the second camera module 30 acquires a color image or a black-and-white image with a large imaging range and poor definition. The display device of the present embodiment obtains a clear color image by synthesizing the images acquired by the color camera module 20 and the second camera module 30 by software.
Optionally, the second camera module 30 is a color camera module or a black and white camera module. When the second camera module 30 is a color camera module, it acquires a color image; when the second camera module 30 is a black-and-white camera module, it obtains a black-and-white image. The second camera module 30 includes a camera 31 and a lens 32. The lens 32 is located on the light-incident side of the camera 31.
The organic light emitting diode display panel 10 includes an organic light emitting diode display module 11, a polarizer 12, a cover plate 13 and a color film structure layer 14.
Specifically, the polarizer 12 is disposed on the organic light emitting diode display module 11. Polarizer 12 has a first through hole 121. The first through hole 121 is disposed corresponding to the light transmissive display sub-area a 1. Cover 13 is disposed on polarizer 12 and extends to frame region 10 b. Color filter structure layer 14 is disposed on one side of cover plate 13 facing polarizer 12. The color film structure layer 14 is disposed corresponding to the light-transmitting display sub-area a 1.
The following description of the present embodiment will take the second camera module 30 as a color camera module as an example, but not limited thereto. The second camera module 30 and the light-transmitting display sub-area a1 of the oled display module 11, the through hole 121 of the polarizer 12, and the color film structure layer 14 are disposed correspondingly to each other. Wherein the setting of through-hole 121 has improved the transmissivity of external light and inside light, and then has improved the second and made a video recording the receiving capacity of module 30 to external light. The color film structure layer 14 is configured to transmit a specific light wavelength, and the wavelength transmitted by the color film structure layer 14 includes a detection wavelength of the imaging unit of the second camera module 30 and a light emitting wavelength of the light emitting sub-pixels of the organic light emitting diode display module 11. For example, when the receiving wavelength of the sub-pixel of the second camera module 30 is the same as the emitting wavelength of the light emitting sub-pixel of the oled display module 11, the color film structure layer 14 only needs to have high transmittance for the red, green and blue wavelengths. When the receiving wavelength of the sub-pixel of the second camera module 30 is different from the emitting wavelength of the light emitting sub-pixel of the organic light emitting diode display module 11, the color film structure layer 14 needs to have high transmittance for the above six wavelengths of red, green and blue.
Further, the color film structure layer 14, the first through hole 121, the light-transmitting display sub-area a1 and the second imaging die 30 are coaxially disposed. Such setting can guarantee the visual angle of the second camera module 30 on the one hand, and on the other hand improves the daylighting volume of the second camera module 30.
The size of the first through hole 121 is consistent with the size of the camera 31 of the second camera module 30. And optionally, the opening diameter of the first through hole 121 is between 0.01 mm and 1 mm.
Specifically, in the display device 100 of the present application, the color film structure layer 14 includes a red photoresist 141, a green photoresist 142, and a blue photoresist 143. The oled display module 11 includes a plurality of light-emitting sub-pixels, and each of the light-emitting sub-pixels includes a red light-emitting sub-pixel, a green light-emitting sub-pixel, and a blue light-emitting sub-pixel. The second camera module 30 includes a plurality of sub-pixels, each of which includes a red sub-pixel 311, a green sub-pixel 312, and a blue sub-pixel 313.
The red photo-resist 141, the red light emitting sub-pixel, and the red sub-pixel 311 are disposed in a one-to-one correspondence. The green photo resists 142, the green light emitting sub-pixels and the green sub-pixels 312 are correspondingly arranged one by one. The blue photoresist 143, the blue light emitting sub-pixel, and the blue sub-pixel 313 are disposed in a one-to-one correspondence.
Specifically, the red photoresist 141, the red light emitting sub-pixel, and the red sub-pixel 311 are coaxially disposed. The green photoresist 142, the green emitting sub-pixel, and the green sub-pixel 312 are coaxially disposed. The blue photoresist 143, the blue light emitting sub-pixel, and the blue sub-pixel 313 are coaxially disposed. The arrangement enables the incident light from the outside to be radiated to the second camera module 30 to the maximum extent.
In addition, the density of the light-emitting sub-pixels in the light-transmitting display sub-area a1 is greater than or equal to the density of the light-emitting sub-pixels in other areas of the oled display module 11. Optionally, in the display device 100 of this embodiment, the density of the light-emitting sub-pixels in the light-transmitting display sub-area a1 is greater than the density of the light-emitting sub-pixels in other areas of the oled display module 11. Since the light-emitting sub-pixel density of the light-transmitting display sub-area a1 is increased, the sub-pixel density of the second camera module 30 and the photoresist of the color film structure layer 14 are correspondingly increased, and the imaging quality of the second camera module 30 mainly depends on the density of the sub-pixels, the imaging quality of the second camera module 30 is improved, and a clearer image can be obtained.
The "other regions" in the "density of the light-emitting sub-pixels in the light-transmissive display sub-region a1 is greater than or equal to the density of the light-emitting sub-pixels in the other regions of the organic light-emitting diode display module 11" are all regions provided with light-emitting sub-pixels except the light-transmissive display sub-region a 1.
In display device 100 of the present embodiment, an optical adhesive layer 15 is further disposed between cover plate 13 and polarizer 12. The optical adhesive layer 15 covers the polarizer 12 and fills the first through hole 121. Optionally, the thickness of the optical adhesive layer 15 is greater than or equal to the thickness of the polarizer 12. This arrangement prevents the generation of bubbles due to incomplete filling of the optical cement when the through-hole 21 is filled. Optionally, the thickness of the optical adhesive layer 15 is between 50 micrometers and 200 micrometers. The thickness of the color film structure layer 14 is between 10 micrometers and 100 micrometers.
In addition, in the display device 100 of this embodiment, the color of the pixel of the organic light emitting diode display module 11 can be sharpened by adjusting the light transmission width of the color film structure layer 14 for each wavelength, so as to improve the vividness of the picture and further improve the display effect. Optionally, the transmission width of the color film structure layer 14 for light with each wavelength ranges from 3 nm to 50 nm.
In the display device 100 of the embodiment, the oled display module 11 includes a back plate 111, and a substrate 112, a tft array substrate 113, an organic light emitting layer 114, an encapsulation layer 115, an adhesive layer 116, and a touch layer 117 sequentially disposed on the back plate 111. The frame structure of the oled display module 11 is the prior art, and is not described herein again.
In the display device 100 of the present application, the color camera module 20 includes a wide-angle lens 21, a color camera 22, and an optical lens 23 between the wide-angle lens 21 and the color camera 22. One end of the wide-angle lens 21 faces the light-transmitting sub-area b1, and the other end of the wide-angle lens 21 faces the color camera 22.
Specifically, the wide-angle lens 21 is a 90-degree bent optical fiber. The optical fiber includes a vertical section 211, a bending section 212, and a horizontal section 213, which are connected in sequence. The vertical section 211 is disposed in the frame region 10b and located at one side of the oled display module 11. The horizontal segment 213 is located at a side of the oled display module 11 facing away from the user. The bent section 212 is connected between the vertical section 211 and the horizontal section 213, and the bent section 212 is arc-shaped.
The arc-shaped arrangement of the bending section 212 ensures that the optical fiber is bent by 90 degrees to form a wide-angle lens. And the color camera 22 images with the ambient light entering the optical fiber from the light-transmitting sub-area b1 and propagating on the optical fiber.
The organic light emitting diode panel 10 further includes a light shielding layer 16. The light shielding layer 16 is located in the frame region 10b and is disposed on the side of the cover plate 13 facing away from the user. The light-shielding layer 16 is formed with a second through hole 161. The second through hole 161 is located in the light transmissive sub-area b 1. One end of the wide angle lens 21 faces the second through hole 161, that is, the free end of the vertical section 211 of the optical fiber faces the second through hole 161, and preferably, the free end of the vertical section 211 of the optical fiber faces the second through hole 161.
Alternatively, the light-shielding layer 16 may be a black ink.
Further, the second through hole 161 also penetrates the cover plate 13. Such an arrangement improves the transmittance of the external light. Of course, in some embodiments, the second through holes 161 only penetrate the light shielding layer 16.
The working principle of the embodiment is as follows: when external light passes through the color film structure layer 14 with high transmittance at a specific wavelength below the cover plate 13, only the light with the specific wavelength passes through the through hole 121 of the polarizer 12 and irradiates into the second camera module 30 below the organic light emitting diode display module 11; in addition, the external light directly enters the second through hole 161, is radiated to the wide-angle lens 21 (optical fiber), and is transmitted to the color camera module 20 through the optical fiber. When the display device 100 emits light, only light with a specific wavelength is emitted to the outside through the color filter structure layer 14 to form a display image.
Compared with the display panel in the prior art, the display device adopts the color camera module to obtain a small-range color image and adopts the second camera module to obtain a large-range black-and-white or color image, and obtains a clear color image under the synthesis processing of the image processing software; wherein the color camera module is arranged corresponding to the light-transmitting subarea of the frame area; the technical problem that the image acquired by a front camera of the existing display device is not clear is solved.
As described above, it will be apparent to those skilled in the art that various other changes and modifications can be made based on the technical solution and concept of the present application, and all such changes and modifications shall fall within the scope of the appended claims.
Claims (10)
1. A display device, characterized in that the display device comprises:
the display panel comprises a display area and a frame area, wherein the frame area is positioned on the outer peripheral side of the display area, the display area comprises a light-transmitting display subarea, and the frame area comprises a light-transmitting subarea;
the first camera module is a color camera module, the color camera module is arranged on one side of the organic light emitting diode display panel, which faces away from a user, and is used for acquiring a color image, and the color camera module is arranged corresponding to the light-transmitting subarea; and
the second camera module is arranged on one side, back to a user, of the organic light-emitting diode display panel and corresponds to the light-transmitting display sub-area;
the organic light emitting diode display panel includes:
an organic light emitting diode display module;
the polaroid is arranged on the organic light-emitting diode display module, and a first through hole is formed in the polaroid and corresponds to the light-transmitting display sub-area;
a cover plate disposed on the polarizer and extending to the bezel region;
the color film structure layer is arranged on one side, facing the polaroid, of the cover plate, and the color film structure layer is arranged corresponding to the light-transmitting display sub-area.
2. The display device as claimed in claim 1, wherein the color camera module comprises a wide-angle lens and a color camera, one end of the wide-angle lens faces the light-transmitting sub-area, and the other end of the wide-angle lens faces the color camera.
3. The display device according to claim 2, wherein the wide-angle lens is a 90-degree bent optical fiber, the optical fiber includes a vertical section, a bent section and a horizontal section, the vertical section is disposed in the frame area and located on one side of the oled display module, the horizontal section is located on a side of the oled display module facing away from a user, the bent section is connected between the vertical section and the horizontal section, and the bent section is in an arc shape.
4. The display device according to claim 2, wherein the oled panel further comprises a light shielding layer disposed in the frame region and on a side of the cover plate facing away from a user, the light shielding layer defines a second through hole, and the second through hole is disposed in the light transmissive sub-region;
one end of the wide-angle lens faces the second through hole.
5. The display device according to claim 4, wherein the second through hole further penetrates the cover plate.
6. The display device according to claim 1, wherein the color film structure layer comprises a red photoresist, a green photoresist and a blue photoresist; the organic light emitting diode display module comprises a red light emitting sub-pixel, a green light emitting sub-pixel and a blue light emitting sub-pixel; the second camera shooting module comprises a red sub-pixel, a green sub-pixel and a blue sub-pixel;
the red light resistance, the red light-emitting sub-pixel and the red sub-pixel are coaxially arranged, the green light resistance, the green light-emitting sub-pixel and the green sub-pixel are coaxially arranged, and the blue light resistance, the blue light-emitting sub-pixel and the blue sub-pixel are coaxially arranged.
7. The display device according to claim 1, wherein the organic light emitting diode display module comprises a plurality of light emitting sub-pixels;
and the density of the luminous sub-pixels in the light-transmitting display sub-area is greater than or equal to that of the luminous sub-pixels in other areas of the organic light-emitting diode display module.
8. The display device according to claim 1, wherein the transmission width of the color filter structure layer for light of each wavelength is in a range from 3 nm to 50 nm.
9. The display device according to claim 1, wherein the second camera module is a color camera module or a black and white camera module.
10. The display device according to claim 1, wherein an optical adhesive layer is further disposed between the cover plate and the polarizer, and the optical adhesive layer covers the polarizer and fills the first through hole.
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| CN201911243609.0A CN111081741B (en) | 2019-12-06 | 2019-12-06 | Display device |
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| CN201911243609.0A CN111081741B (en) | 2019-12-06 | 2019-12-06 | Display device |
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| CN111081741A CN111081741A (en) | 2020-04-28 |
| CN111081741B true CN111081741B (en) | 2022-04-29 |
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| CN111554829B (en) * | 2020-05-15 | 2023-04-07 | 京东方科技集团股份有限公司 | OLED display substrate, preparation method thereof and OLED display device |
| CN113763804A (en) * | 2020-06-01 | 2021-12-07 | 深圳市万普拉斯科技有限公司 | Display screen, display method and electronic equipment |
| CN111897159B (en) * | 2020-08-11 | 2022-07-26 | 联想(北京)有限公司 | Display device and display equipment |
| CN112563314B (en) * | 2020-12-14 | 2024-03-08 | 维沃移动通信有限公司 | Electronic equipment |
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| CN109581732A (en) * | 2019-01-25 | 2019-04-05 | 京东方科技集团股份有限公司 | A kind of electronic equipment and its control method |
| CN110112189A (en) * | 2019-04-25 | 2019-08-09 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
| CN110460747A (en) * | 2018-05-08 | 2019-11-15 | 宁波舜宇光电信息有限公司 | Array camera module and electronic equipment and image processing method with array camera module |
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| CN109285860A (en) * | 2017-07-21 | 2019-01-29 | 京东方科技集团股份有限公司 | A kind of electroluminescence display panel, display device and its obtain image display method |
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| CN110460747A (en) * | 2018-05-08 | 2019-11-15 | 宁波舜宇光电信息有限公司 | Array camera module and electronic equipment and image processing method with array camera module |
| CN109581732A (en) * | 2019-01-25 | 2019-04-05 | 京东方科技集团股份有限公司 | A kind of electronic equipment and its control method |
| CN110112189A (en) * | 2019-04-25 | 2019-08-09 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
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