CN106887445B - OLED three-dimensional display screen - Google Patents
OLED three-dimensional display screen Download PDFInfo
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- CN106887445B CN106887445B CN201510939548.7A CN201510939548A CN106887445B CN 106887445 B CN106887445 B CN 106887445B CN 201510939548 A CN201510939548 A CN 201510939548A CN 106887445 B CN106887445 B CN 106887445B
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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
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
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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
- H10K59/38—Devices specially adapted for multicolour light emission comprising colour filters or colour changing media [CCM]
Abstract
The invention relates to the technical field of displays, in particular to an OLED three-dimensional display screen, wherein when a pixel is a non-RGB pixel, a grating structure is arranged between a polarizer and a touch control film to eliminate color cast of the display screen; when the pixels are non-RGB pixels, the color cast of the display screen is eliminated by arranging the cylindrical lens structure between the polarizer and the touch film, and the optical filter is also arranged between the cylindrical lens structure and the touch film, so that the OLED three-dimensional display screen achieves the purposes that the energy distribution of each sub-pixel is uniform and the angular brightness is consistent in the aspect of visual angles, the color cast is eliminated, and the 3D image quality of naked eyes is improved.
Description
Technical Field
The invention relates to the technical field of displays, in particular to an OLED three-dimensional display screen.
Background
Along with the improvement of the requirements of people on the image display effect, the naked eye 3D technology breaks through the traditional mode that the existing glasses are needed to be matched for 3D watching, and people gradually enter the life of people. In daily life, the three-dimensional display technology is to make people obtain three-dimensional stereoscopic impression by utilizing the principle that left and right eyes of a viewer respectively receive different images, the world seen by human eyes is not planar but has three-dimensional with depth of field, and the three-dimensional perception capability is that the left and right eyes of human beings are separated by about 6.5cm, so that slight offset phenomenon, namely parallax, can be generated when the left and right eyes see the same object position, and the three-dimensional picture can be seen by respectively generating images for the left and right eyes by utilizing the parallax. At present, a mode of realizing naked eye 3D is mainly to arrange a baffle or a barrier at a light-emitting end of a display to enable two eyes to receive different image signals to obtain the images.
In recent years, touch technology has been widely applied in daily life, especially in small and medium-sized electronic products, which is a trend of human-computer interaction interface development in recent years; the AMOLED is a new display device, has the characteristics of high chromaticity, high contrast, wide viewing angle, high brightness, self-luminescence, fast response speed, flexible display and the like, and is known as a next-generation flat panel display technology.
At present, 3D touch products in the industry are rare, a traditional naked eye 3D touch display device is mainly carried with an LCD (liquid crystal display device) or a PDP (plasma display device) and the like, the whole device of the product has a complex structure, the maximum thickness of the device can reach 5 layers of glass substrates, the thickness of the device is large, and an LED backlight source is required in some modes, so that the process is complex and the cost is high; the loss of display color, brightness and the like after the display color, the brightness and the like penetrate through the 3D display device and the touch glass is obvious, the loss of brightness is serious, and parallax is easily caused.
Disclosure of Invention
In order to solve the above problems, the present invention discloses an OLED three-dimensional (3D) display screen, including:
a substrate (PET) on which a plurality of pixels are disposed;
an organic light emitting layer structure (OLED) disposed in the plurality of pixels over the substrate;
a polarizer (POLAROID, POL for short) disposed on the organic light emitting layer structure;
a Touch film (Touch film) arranged on the polarizer; and
a grating structure or a cylindrical lens structure (lenticular element) disposed between the polarizer and the touch film;
the pixel comprises at least two sub-pixels which emit light rays with different wave bands, and the grating structure or the cylindrical lens structure adjusts the energy of the light rays with different wave bands which penetrate through the grating structure or the cylindrical lens structure so as to eliminate the color cast of the display screen.
In the above OLED three-dimensional display screen, the pixel includes a first sub-pixel, a second sub-pixel and a third sub-pixel, and the first sub-pixel generates a light ray of a first wavelength band, the second sub-pixel generates a light ray of a second wavelength band, and the third sub-pixel generates a light ray of a third wavelength band; and
the grating structure or the cylindrical lens structure adjusts the energy of the light ray of the third wave band which passes through the grating structure or the cylindrical lens structure, and keeps the energy of the light ray of the first wave band and the energy of the light ray of the second wave band unchanged so as to eliminate the color cast of the display screen.
In the above OLED three-dimensional display screen, the pixel is an RGB pixel, the first sub-pixel is a sub-pixel emitting red light, the second sub-pixel is a sub-pixel emitting green light, and the third sub-pixel is a sub-pixel emitting blue light.
The above-mentioned three-dimensional display screen of OLED, wherein, the display screen still includes:
and the optical filter (color filter) is arranged between the columnar lens structure and the touch film.
The above-mentioned three-dimensional display screen of OLED, wherein, the display screen still includes:
a first optical adhesive layer (OCA) disposed on the substrate;
and the PI film is arranged on the first optical adhesive layer.
The above-mentioned three-dimensional display screen of OLED, wherein, the display screen still includes:
and the thin film transistor structure (TFT) is arranged on the PI film, and the organic light-emitting layer structure is positioned on the thin film transistor structure.
The above-mentioned three-dimensional display screen of OLED, wherein, the display screen still includes:
and the packaging film is arranged on the organic light-emitting layer structure.
The above-mentioned three-dimensional display screen of OLED, wherein, the display screen still includes:
and the second optical adhesive layer (Barrier OCA, BOCA) is arranged between the packaging film and the polaroid.
The above-mentioned three-dimensional display screen of OLED, wherein, the display screen still includes:
and the hard coating layer (hard coating) is arranged on the touch control film.
The invention discloses an OLED three-dimensional display screen, wherein when a pixel is a non-RGB pixel, a grating structure is arranged between a polarizer and a touch control film to eliminate color cast of the display screen; when the pixels are non-RGB pixels, the color cast of the display screen is eliminated by arranging the cylindrical lens structure between the polarizer and the touch film, and the optical filter is also arranged between the cylindrical lens structure and the touch film, so that the OLED three-dimensional display screen achieves the purposes that the energy distribution of each sub-pixel is uniform and the angular brightness is consistent in the aspect of visual angles, the color cast is eliminated, and the 3D image quality of naked eyes is improved.
Drawings
The invention and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention.
FIG. 1 is a schematic structural diagram of an OLED three-dimensional display screen according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of an OLED three-dimensional display screen in a second embodiment of the invention.
Detailed Description
Compared with the LCD, the AMOLED has the advantages of excellent dynamic image, low crosstalk (crosstalk talk), good color gamut, low power consumption, wide viewing angle and the like in the aspect of 3D, and furthermore, because the response time of the AMOLED is fast (less than 1 millisecond), the vertigo (generally between 40 milliseconds and 100 milliseconds) caused by the motion continuity when a 3D video is watched can be greatly reduced, and in addition, in combination with the improvement of the refresh frequency of the current display, the self-luminescence and flexibility of the AMOLED are realized, and in the aspect of naked eye 3D, the AMOLED has incomparable advantages.
The grating three-dimensional display technology is mainly characterized in that a grating baffle is arranged in front of a panel, the baffle can separate odd-numbered columns and even-numbered columns of images of a display, the odd-numbered columns of images enter the left eye of a person, the even-numbered columns of images enter the right eye of the person, the left eye image is made into the odd-numbered columns of images of the three-dimensional image, the left eye and the right eye of the person can see different images by making the right eye image into the even-numbered columns of images of the three-dimensional image, and therefore stereoscopic impression is formed, but the problem of color cast is serious in the view angle.
The invention uses grating as carrier, uses control variable method, for R, G, B three colors, using chromatic aberration to bias blue as example, keeping the energy of red and green unchanged, adjusting the energy only for blue light through grating of grating structure on the upper surface of the polarizer, to achieve uniform distribution of three color energy and uniform angular brightness, thereby eliminating color bias and simplifying process, but for panel (panel) with non-RGB (non-RGB) pixel arrangement, adopting grating structure can cause more serious color bias of visual angle, therefore, we consider that the grating structure is changed into cylindrical lens structure, and add a layer of optical filter on it, to achieve uniform distribution of three color energy and uniform angular brightness in visual angle, thereby eliminating color bias.
Based on the description, the invention discloses an OLED three-dimensional display screen, which comprises a substrate, an organic light-emitting layer structure, a polarizer arranged on the organic light-emitting layer structure, a touch film arranged on the polarizer, and a grating structure or a cylindrical lens structure arranged between the polarizer and the touch film, wherein the substrate is provided with a plurality of pixels; the organic light emitting layer structure is arranged in a plurality of pixels above the substrate; any one of the pixels comprises at least two sub-pixels which emit light rays with different wave bands, and the grating structure or the cylindrical lens structure adjusts the energy of the light rays with different wave bands which penetrate through the grating structure or the cylindrical lens structure so as to eliminate the color cast of the display screen.
In a preferred embodiment of the present invention, the pixel includes a first sub-pixel, a second sub-pixel and a third sub-pixel, and the first sub-pixel generates a light beam of a first wavelength band, the second sub-pixel generates a light beam of a second wavelength band and the third sub-pixel generates a light beam of a third wavelength band; and the grating structure or the cylindrical lens structure adjusts the energy of the light ray of the third wave band which passes through the grating structure or the cylindrical lens structure, and keeps the energy of the light ray of the first wave band and the energy of the light ray of the second wave band unchanged so as to eliminate the color cast of the display screen.
On this basis, the pixel is further an RGB pixel, the first sub-pixel is a sub-pixel emitting red light, the second sub-pixel is a sub-pixel emitting green light, and the third sub-pixel is a sub-pixel emitting blue light.
In a preferred embodiment of the present invention, the display screen further includes a filter disposed between the lenticular lens structure and the touch control film.
In a preferred embodiment of the present invention, the display screen further includes a first optical adhesive layer disposed on the substrate and a PI film disposed on the first optical adhesive layer.
On the basis, the display screen further comprises a thin film transistor structure arranged on the PI film, and the organic light emitting layer structure is positioned on the thin film transistor structure.
In a preferred embodiment of the present invention, the display panel further includes an encapsulation film disposed on the organic light emitting layer structure.
On the basis, the display screen further comprises a second optical adhesive layer arranged between the packaging film and the polarizer.
In a preferred embodiment of the present invention, the display screen further includes a hard film layer disposed on the touch film.
The invention will be further elucidated in the following by means of specific embodiments in conjunction with the drawing:
the first embodiment is as follows:
as shown in fig. 1, the embodiment relates to an OLED three-dimensional display screen, which includes a substrate 1, a first optical adhesive layer 2, a PI film 3, a thin film transistor structure 4, an organic light emitting layer structure 5, an encapsulation film 6, a second optical adhesive layer 7, a polarizer 8, a grating structure 91, a touch film 11, and a hard film layer 12, which are sequentially disposed from bottom to top; wherein, the substrate 1 is provided with a plurality of RGB pixels (the RGB pixels are not shown in the figure); the organic light emitting layer structure 5 is disposed in a plurality of RGB pixels on the substrate 1; and any RGB pixel includes a sub-pixel emitting red light, a sub-pixel emitting green light, and a sub-pixel emitting blue light, which emit light of different wavelength bands, and the grating structure 91 adjusts the energy of light emitted by the sub-pixel emitting blue light, and keeps the energy of light emitted by the sub-pixel emitting red light and the energy of light emitted by the sub-pixel emitting green light unchanged, so that the three colors of R, G, and B reach uniform angular brightness, thereby eliminating color shift, and thus there is no problem of viewing angle color shift.
In the present embodiment, the grating structure 91 is a grating structure, but the grating structure 91 may have other shapes as long as the object of the present invention is not affected.
In the embodiment, the micro-structure processing is performed on the upper surface of the polarizer to form the grating structure, the grating structure can separate the odd-numbered columns and the even-numbered columns of the display, the odd-numbered columns of images enter the left eye of a person, the even-numbered columns of images enter the right eye of the person, and as long as the left eye image is made into the odd-numbered columns of images of the three-dimensional image, the left eye image and the right eye image are made into the even-numbered columns of images of the three-dimensional image, so that the left eye and the right. In this embodiment, a filter may be disposed between the grating structure 91 and the touch film 11 to achieve a better effect of eliminating color cast of the display screen.
Example two:
as shown in fig. 2, the present embodiment relates to an OLED three-dimensional display screen, which includes a substrate 1, a first optical adhesive layer 2, a PI thin film 3, a thin film transistor structure 4, an organic light emitting layer structure 5, an encapsulation thin film 6, a second optical adhesive layer 7, a polarizer 8, a lenticular lens structure 9, a filter 10, a touch control thin film 11, and a hard film layer 12, which are sequentially disposed from bottom to top. Wherein, the substrate 1 is provided with a plurality of non-RGB pixels (the non-RGB pixels are not shown in the figure); the organic light emitting layer structure 5 is disposed in a plurality of non-RGB pixels over the substrate 1.
In a preferred embodiment of the present invention, each of the non-RGB pixels includes a first sub-pixel, a second sub-pixel and a third sub-pixel which emit light of different wavelength bands, and the first sub-pixel generates light of a first wavelength band, the second sub-pixel generates light of a second wavelength band and the third sub-pixel generates light of a third wavelength band; the lenticular lens structure 9 can adjust the energy of the light of the third wavelength band transmitted therethrough, and keep the energy of the light of the first wavelength band and the energy of the light of the second wavelength band unchanged, so as to eliminate the color shift of the display screen.
Obviously, the second embodiment is substantially the same as the first embodiment, except that the pixels in the second embodiment are non-RGB pixels, the grating structure of the OLED three-dimensional display screen is changed to a lenticular lens structure, and an optical filter is added between the lenticular lens structure and the touch control film, so that the light energy distribution emitted by the first sub-pixel, the second sub-pixel and the third sub-pixel of the OLED three-dimensional display screen is uniform in the viewing angle, and the angular brightness is uniform, thereby effectively eliminating the color cast.
The first embodiment and the second embodiment both perform color cast elimination by adjusting one wavelength light energy, and correspondingly, can also be generalized to two or more types, and perform energy equalization by adjusting the remaining light as long as one of the wavelength light energy is kept unchanged; meanwhile, the grating structure or the cylindrical lens structure arranged in the adjustment of the light energy with different wavelengths can be adaptively adjusted, so that the energy transmitted by the emitted light in the corresponding sub-pixel can be independently adjusted, and the purpose of eliminating the visual angle color cast of the OLED three-dimensional display screen is achieved.
Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described herein in detail. Such variations do not affect the essence of the present invention and are not described herein.
The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; those skilled in the art can make many possible variations and modifications to the disclosed embodiments, or modify equivalent embodiments, without affecting the spirit of the invention, using the methods and techniques disclosed above, without departing from the scope of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (8)
1. An OLED three-dimensional display screen, comprising:
a substrate on which a plurality of pixels are disposed;
an organic light emitting layer structure disposed in the plurality of pixels over the substrate;
the polaroid is arranged on the organic light-emitting layer structure;
the touch control film is arranged on the polaroid; and
the grating structure or the columnar lens structure is arranged between the polaroid and the touch film;
the pixel comprises a first sub-pixel, a second sub-pixel and a third sub-pixel, wherein the first sub-pixel generates light of a first wave band, the second sub-pixel generates light of a second wave band, and the third sub-pixel generates light of a third wave band; and
the grating structure or the cylindrical lens structure adjusts the energy of the light ray of the third wave band which passes through the grating structure or the cylindrical lens structure, and keeps the energy of the light ray of the first wave band and the energy of the light ray of the second wave band unchanged so as to eliminate the color cast of the display screen.
2. The OLED three-dimensional display screen of claim 1, wherein the pixels are RGB pixels, the first sub-pixel is a red light emitting sub-pixel, the second sub-pixel is a green light emitting sub-pixel, and the third sub-pixel is a blue light emitting sub-pixel.
3. The OLED three-dimensional display screen of claim 1, wherein the display screen further comprises:
the optical filter is arranged between the cylindrical lens structure and the touch control film.
4. The OLED three-dimensional display screen of claim 1, wherein the display screen further comprises:
the first optical adhesive layer is arranged on the substrate;
and the PI film is arranged on the first optical adhesive layer.
5. The OLED three-dimensional display screen of claim 4, wherein the display screen further comprises:
and the thin film transistor structure is arranged on the PI thin film, and the organic light-emitting layer structure is positioned on the thin film transistor structure.
6. The OLED three-dimensional display screen of claim 1, wherein the display screen further comprises:
and the packaging film is arranged on the organic light-emitting layer structure.
7. The OLED three-dimensional display screen of claim 6, wherein the display screen further comprises:
and the second optical adhesive layer is arranged between the packaging film and the polaroid.
8. The OLED three-dimensional display screen of claim 1, wherein the display screen further comprises:
and the hard film layer is arranged on the touch control film.
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| CN106887445B true CN106887445B (en) | 2020-02-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109427262A (en) * | 2017-08-24 | 2019-03-05 | 上海和辉光电有限公司 | A kind of display panel and its packaging method |
| CN107507855A (en) * | 2017-09-22 | 2017-12-22 | 京东方科技集团股份有限公司 | A kind of display module and preparation method thereof, display device |
| CN109345983A (en) * | 2018-10-28 | 2019-02-15 | 中山市格兰特实业有限公司 | A kind of realization subway interaction systems and its 3 D stereo glass |
| CN109585674A (en) * | 2018-11-13 | 2019-04-05 | 武汉华星光电半导体显示技术有限公司 | Display module and preparation method thereof, electronic device |
| CN109671756A (en) * | 2018-12-17 | 2019-04-23 | 武汉华星光电半导体显示技术有限公司 | Display screen and display device |
| CN109920926B (en) * | 2019-02-02 | 2021-09-14 | 明基材料有限公司 | Organic light emitting diode display |
| CN111208596A (en) * | 2020-03-05 | 2020-05-29 | 武汉华星光电半导体显示技术有限公司 | Polaroid and display panel |
| CN111755491A (en) * | 2020-06-24 | 2020-10-09 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
| CN112947792A (en) * | 2021-03-30 | 2021-06-11 | 维沃移动通信有限公司 | Display module, electronic equipment, control method and control device of electronic equipment |
| CN115113416B (en) * | 2022-07-22 | 2023-08-25 | 吉林省钜鸿智能技术有限公司 | Outdoor naked eye 3D display screen |
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Address after: 201506, building two, building 100, 1, Jinshan Industrial Road, 208, Shanghai, Jinshan District Patentee after: Shanghai Hehui optoelectronic Co., Ltd Address before: 201506, building two, building 100, 1, Jinshan Industrial Road, 208, Shanghai, Jinshan District Patentee before: EverDisplay Optronics (Shanghai) Ltd. |
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