WO2017161674A1 - 显示面板及其控制方法、显示装置以及显示*** - Google Patents
显示面板及其控制方法、显示装置以及显示*** Download PDFInfo
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- WO2017161674A1 WO2017161674A1 PCT/CN2016/083461 CN2016083461W WO2017161674A1 WO 2017161674 A1 WO2017161674 A1 WO 2017161674A1 CN 2016083461 W CN2016083461 W CN 2016083461W WO 2017161674 A1 WO2017161674 A1 WO 2017161674A1
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- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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Definitions
- the present disclosure relates to the field of display technology, and in particular to a display panel, a display device, a display system, and a control method for the display panel.
- the conventional method for implementing anti-peeping display of information mainly realizes the confidential display of information by reducing the viewing angle of the display panel. Specifically, only the person located directly in front of the display panel can see the content in the display panel, and the person located around the display panel cannot see the content in the display panel.
- this type of confidentiality has certain flaws. For example, if both the voyeur and the observer are directly in front of the display panel, the voyeur will also be able to see the contents of the display. Therefore, the security effect of this anti-peeping method is not ideal.
- the present disclosure seeks to improve the anti-peeping effect of the display panel.
- the present disclosure proposes a display panel including: a plurality of pixel units, wherein each pixel unit includes a plurality of sub-pixels, each sub-pixel includes a display sub-pixel and an interference sub-pixel, and the interfering sub-pixel and The display sub-pixels are different in color and/or gray scale; and the first control unit is configured to control the display sub-pixel to be turned on in a first period of each display period, and to control the interfering sub-pixels in each The first period of one display period is turned off and turned on during the second period of each display period.
- the duration of the first period of time is greater than or equal to the duration of the second period of time.
- the ratio of the duration of the first time period to the second time period is greater than or equal to 1 and less than or equal to 5.
- the color of the display sub-pixel and the color of the interference sub-pixel are complementary to each other.
- the display sub-pixel is a red sub-pixel, and the interference sub-pixel is a cyan sub-pixel; or the display sub-pixel is a green sub-pixel, and the interference sub-pixel is a magenta sub-pixel; or The display sub-pixel is a blue sub-pixel, and the interference sub-pixel is Green subpixel.
- the display sub-pixel and the interference sub-pixel respectively comprise: a first electrode layer, the material is a reflective metal; a light-emitting layer disposed on one side of the first electrode layer; and a second electrode layer, The side of the light emitting layer away from the first electrode layer.
- the light emitting layer of the display sub-pixel and the interference sub-pixel is configured to emit red light, green light, blue light, cyan light, magenta light or yellow light.
- the light emitting layer of the display sub-pixel and the interference sub-pixel is configured to emit white light
- the display sub-pixel and the interference sub-pixel further comprise a color resist layer.
- the gray-scale difference between the interference sub-pixel and the display sub-pixel is greater than or equal to 50.
- the present disclosure also proposes a display device including the above display panel.
- the present disclosure also provides a display system including a wearable device and the above display device, wherein the wearable device includes a lens and a second control unit, and the second control unit is configured to control the lens at the Light is transmitted for a period of time and is opaque during the second period of time.
- the present disclosure also proposes a control method for a display panel, wherein the display panel includes a plurality of pixel units, each of the pixel units includes a plurality of sub-pixels, each of the sub-pixels including a display sub-pixel and an interference sub-pixel, and The interference sub-pixel is different from the color and/or gray level of the display sub-pixel, and the method includes:
- the interfering sub-pixels are controlled to be turned off during a first time period of each display period and turned on during a second time period of each display period.
- the display sub-pixel and the interference sub-pixel are respectively turned on in different time periods to respectively output the normal image and the interference image. Since the interference sub-pixel is different from the color and/or gray scale of the display sub-pixel, the viewer will see an image different from the first time period in the second time period. However, the human eye has a visual residual for the changed picture, so the viewer will see the superposition of the interference image and the normal image, so that the normal output picture cannot be seen.
- the intended user of the display panel can receive only the picture of the first time period, and the other person who does not use such a viewing device will not be able to see the output picture, thereby effectively avoiding the output of the display panel.
- the normal picture is recognized by others.
- FIG. 1 is a schematic structural view of a display panel according to an embodiment of the present disclosure
- FIG. 2 illustrates a schematic diagram of an on time of displaying a sub-pixel and an interfering sub-pixel according to an embodiment of the present disclosure
- FIG. 3 is a schematic structural view of a display panel according to still another embodiment of the present disclosure.
- FIG. 4 illustrates a schematic structural diagram of a display sub-pixel or an interference sub-pixel according to an embodiment of the present disclosure
- FIG. 5 shows a schematic structural view of a display panel according to still another embodiment of the present disclosure.
- a display panel includes: a plurality of pixel units, wherein each pixel unit includes a plurality of sub-pixels, each of which includes a display sub-pixel 11 and an interference sub-pixel 12, and interferes The sub-pixel 12 is different from the color and/or gray scale of the display sub-pixel 11; and a first control unit configured to control the display sub-pixel 11 to be turned on in a first period of each display period, and to control the interfering sub-pixel 12 at The first time period of each display cycle is turned off and turned on during the second time period of each display cycle.
- the display sub-pixel and the interference sub-pixel are respectively turned on in different time periods to respectively output the normal image and the interference image.
- the display sub-pixel is turned on to output a normal image in the first time period t1 of the nth frame, and the interference sub-pixel is turned on in the second time period t2 of the nth frame to output an interference image;
- the first time period t1 of the frame turns on the display sub-pixel to output a normal image
- in the second time period t2 of the n+1th frame turns on the interfering sub-pixel to output an interference image, and so on,
- n is an integer greater than or equal to one.
- the interference sub-pixel is different from the color and/or gray scale of the display sub-pixel, the viewer will see an image different from the first time period in the second time period.
- the human eye has a visual residual for the changed picture, and the viewer will see the superposition of the interference image and the normal image, so that the normal output picture cannot be seen.
- the intended user of the display panel can receive only the picture of the first time period, and the other person who does not use such a viewing device will not be able to see the output picture, thereby effectively avoiding the output of the display panel.
- the normal picture is recognized by others.
- first time period may be before the second time period in each display period.
- second time period can also be set before the first time period.
- One display period in the above embodiment may refer to the sum of the duration of displaying the sub-pixels in the display panel once and the duration of scanning the interfering sub-pixels in the display panel.
- the duration of the first time period is greater than or equal to the duration of the second time period.
- the display duration of the normal image in each period (frame) is greater than or equal to the display duration of the interference image.
- the ratio of the duration of the first time period to the second time period is k, where k is greater than or equal to 1 and less than or equal to 5.
- the display duration of the normal image in each period (frame) is greater than or equal to the display duration of the interference image.
- the user wearing the specific viewing device can make the normal image look good without a strong intermittent feeling.
- the interfering image can produce a sufficiently strong interference effect on the normal image, thereby ensuring that the voyeur who is not wearing the specific viewing device cannot see the normal image.
- the color of the display sub-pixel and the color of the interference sub-pixel are complementary to each other.
- the display sub-pixel is a red sub-pixel, and the interference sub-pixel is a cyan sub-pixel; or the display sub-pixel is a green sub-pixel, and the interference sub-pixel is a magenta sub-pixel; or, the display sub-pixel is The blue sub-pixel, the interference sub-pixel is a green sub-pixel.
- the superimposition of the two colors complementary to each other is white
- the voyeur who does not wear the specific viewing device views the display sub-pixel and the interfering sub-pixel, only the white picture will be seen due to the visual residual. . Thereby, the normal picture is effectively prevented from being recognized by others.
- the display sub-pixel and the interference sub-pixel respectively include: a first electrode layer 21, the material is a reflective metal; a light-emitting layer 22 disposed on one side of the first electrode layer; and a second electrode layer 23, disposed on a side of the light emitting layer away from the first electrode layer.
- the display panel in this embodiment may be an organic light emitting diode display panel.
- the light emitting layer of the display sub-pixel and the interference sub-pixel is configured to emit red light, green light, blue light, cyan light, magenta light or yellow light.
- the light emitting layer, the first electrode layer, and the second electrode layer may directly constitute a sub-pixel.
- the light emitting layers of the display sub-pixels and the interference sub-pixels are configured to emit white light
- the display sub-pixels and the interference sub-pixels further include a color resist layer 24.
- the color resist layer 24 may be disposed on the light exiting side of the light emitting layer.
- white light can become colored light such as red light, green light, blue light, cyan light, magenta light, or yellow light corresponding to the color resist layer after passing through the color resist layer.
- the gray-scale difference between the interference sub-pixel and the display sub-pixel is greater than or equal to 50.
- the gray scales of the display sub-pixel and the interference sub-pixel can be set to be different, and the luminance of both of them can be controlled by the circuit.
- the material of the luminescent layer it can be the same, which helps to simplify the structure.
- the present disclosure also proposes a display device including the above display panel.
- the display device in this embodiment may be any product or component having a display function, such as an electronic paper, a mobile phone, a tablet computer, a television, a notebook computer, a digital photo frame, or a navigator.
- a display function such as an electronic paper, a mobile phone, a tablet computer, a television, a notebook computer, a digital photo frame, or a navigator.
- the present disclosure also provides a display system including a wearable device and the above display device, wherein the wearable device includes a lens and a second control unit, and the second control unit is configured to control the lens to transmit light during the first time period and The second period of time is opaque.
- the user can view the above display device by wearing the wearable device, thereby viewing the normal image output by the display sub-pixel only in the first period of time.
- a superimposed image of the normal image and the interfering image will be seen, so that the content in the normal image cannot be distinguished. In this way, the effect of preventing voyeurism is achieved.
- the present disclosure also proposes a control method for a display panel, wherein the display panel A plurality of pixel units are included, each of the pixel units includes a plurality of sub-pixels, each of the sub-pixels includes a display sub-pixel and an interference sub-pixel, and the interference sub-pixel is different from the color and/or gray scale of the display sub-pixel, and the method includes: controlling the The display sub-pixel is turned on during a first time period of each display period; and the control interference sub-pixel is turned off during a first time period of each display period and turned on during a second time period of each display period.
- the technical solution of the present disclosure has been described in detail above with reference to the accompanying drawings in an attempt to solve the problem that the technique for preventing voyeurism in the prior art is difficult to completely prevent the voyeur from viewing the image outputted by the display panel.
- the display sub-pixel and the interference sub-pixel are respectively turned on in different time periods to respectively output the normal image and the interference image. Since the interference sub-pixel is different from the color and/or gray scale of the display sub-pixel, the viewer will see an image different from the first time period in the second time period.
- the human eye has a visual residual for the changed picture, so the viewer will see the superposition of the interference image and the normal image, so that the normal output picture cannot be seen. .
- the intended user of the display panel can receive only the picture of the first time period, and the other person who does not use such a viewing device will not be able to see the output picture, thereby effectively avoiding the output of the display panel.
- the normal picture is recognized by others.
- the terms “first”, “second”, and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
- the term “plurality” relates to two or more, unless specifically defined otherwise.
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Abstract
Description
Claims (12)
- 一种显示面板,包括:多个像素单元,其中,每个像素单元包括多个子像素,每个子像素包括显示子像素和干扰子像素,并且所述干扰子像素与所述显示子像素的颜色和/或灰阶不同;以及第一控制单元,配置成控制所述显示子像素在每一个显示周期的第一时间段内开启,并且控制所述干扰子像素在每一个显示周期的第一时间段内关闭并在每一个显示周期的第二时间段内开启。
- 根据权利要求1所述的显示面板,其中,所述第一时间段的时长大于或等于所述第二时间段的时长。
- 根据权利要求2所述的显示面板,其中,所述第一时间段与所述第二时间段的时长之比大于或等于1并且小于或等于5。
- 根据权利要求1所述的显示面板,其中,当所述显示子像素与所述干扰子像素的灰阶相同时,所述显示子像素的颜色与所述干扰子像素的颜色互为补色。
- 根据权利要求4所述的显示面板,其中,所述显示子像素为红色子像素,所述干扰子像素为青色子像素;或所述显示子像素为绿色子像素,所述干扰子像素为品红子像素;或所述显示子像素为蓝色子像素,所述干扰子像素为绿色子像素。
- 根据权利要求1至5中任一项所述的显示面板,其中,所述显示子像素和所述干扰子像素分别包括:第一电极层,材料为反光金属;发光层,设置在所述第一电极层的一侧;以及第二电极层,设置在所述发光层远离所述第一电极层的一侧。
- 根据权利要求6所述的显示面板,其中,所述显示子像素和所述干扰像素的发光层配置成发射红光、绿光、蓝光、青光、品红光或黄光。
- 根据权利要求6所述的显示面板,其中,所述显示子像素和所述干扰像素的发光层配置成发射白光,并且所述显示子像素和所述干扰子像素还包括色阻层。
- 根据权利要求1至5中任一项所述的显示面板,其中,当所述干扰子像素与所述显示子像素的颜色相同时,所述干扰子像素与所述显示子像素的灰阶差大于或等于50。
- 一种显示装置,包括如权利要求1-9中任一项所述的显示面板。
- 一种显示***,包括可穿戴设备和如权利要求10所述的显示装置,其中,所述可穿戴设备包括镜片和第二控制单元,所述第二控制单元配置成控制所述镜片在所述第一时间段内透光并且在所述第二时间段内不透光。
- 一种用于显示面板的控制方法,其中,所述显示面板包括多个像素单元,每个像素单元包括多个子像素,每个子像素包括显示子像素和干扰子像素,并且所述干扰子像素与所述显示子像素的颜色和/或灰阶不同,所述方法包括:控制所述显示子像素在每一个显示周期的第一时间段内开启;以及控制所述干扰子像素在每一个显示周期的第一时间段内关闭并且在每一个显示周期的第二时间段内开启。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US15/512,603 US10504437B2 (en) | 2016-03-25 | 2016-05-26 | Display panel, control method thereof, display device and display system for anti-peeping display |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201610180112.9A CN105702202B (zh) | 2016-03-25 | 2016-03-25 | 显示面板及其控制方法、显示装置、显示*** |
CN201610180112.9 | 2016-03-25 |
Publications (1)
Publication Number | Publication Date |
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WO2017161674A1 true WO2017161674A1 (zh) | 2017-09-28 |
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US10504437B2 (en) | 2019-12-10 |
US20180096652A1 (en) | 2018-04-05 |
CN105702202B (zh) | 2018-09-18 |
CN105702202A (zh) | 2016-06-22 |
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