WO2017128726A1 - 显示装置及其驱动方法、制作方法以及防偷窥显示系统 - Google Patents

显示装置及其驱动方法、制作方法以及防偷窥显示系统 Download PDF

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Publication number
WO2017128726A1
WO2017128726A1 PCT/CN2016/098566 CN2016098566W WO2017128726A1 WO 2017128726 A1 WO2017128726 A1 WO 2017128726A1 CN 2016098566 W CN2016098566 W CN 2016098566W WO 2017128726 A1 WO2017128726 A1 WO 2017128726A1
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Prior art keywords
display
interference
display panel
display module
display device
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PCT/CN2016/098566
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English (en)
French (fr)
Inventor
张春兵
展先娟
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京东方科技集团股份有限公司
北京京东方显示技术有限公司
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Application filed by 京东方科技集团股份有限公司, 北京京东方显示技术有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US15/513,722 priority Critical patent/US10134362B2/en
Publication of WO2017128726A1 publication Critical patent/WO2017128726A1/zh

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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
    • H10K59/50—OLEDs integrated with light modulating elements, e.g. with electrochromic elements, photochromic elements or liquid crystal elements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/10—Intensity circuits
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • 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
    • G09G3/2003—Display of colours
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • 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
    • 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]
    • G09G3/3208—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] organic, e.g. using organic light-emitting diodes [OLED]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
    • H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
    • H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
    • H01L25/065—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L27/00
    • H01L25/0657—Stacked arrangements of devices
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/80—Constructional details
    • H10K50/86—Arrangements for improving contrast, e.g. preventing reflection of ambient light
    • 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
    • H10K59/32—Stacked devices having two or more layers, each emitting at different wavelengths
    • 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
    • H10K59/80—Constructional details
    • H10K59/8791—Arrangements for improving contrast, e.g. preventing reflection of ambient light
    • 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
    • H10K59/80—Constructional details
    • H10K59/8793—Arrangements for polarized light emission
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3083—Birefringent or phase retarding elements
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
    • G02C7/104—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses having spectral characteristics for purposes other than sun-protection
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/12—Polarisers
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • G02F1/133638—Waveplates, i.e. plates with a retardation value of lambda/n
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/02—Composition of display devices
    • G09G2300/023—Display panel composed of stacked panels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/14—Solving problems related to the presentation of information to be displayed
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2354/00—Aspects of interface with display user
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2358/00—Arrangements for display data security
    • 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

Definitions

  • Embodiments of the present invention relate to a display device, a method of driving the same, a method of fabricating the same, and an anti-peeping display system.
  • anti-peeping display devices exist in the prior art.
  • the anti-peeping display device in the prior art cannot meet the requirements of people because the structure is complicated and the security is not high. Easy to be cracked.
  • Embodiments of the present invention provide a display device including an interference display module and a first display panel disposed in a light emitting direction of the interference display module; wherein the interference display module emits light For polarized light, the first display panel is configured to be permeable to the polarized light.
  • each of the sub-pixels of the interference display module and the color of the first display panel sub-pixel of the corresponding position are complementary to each other.
  • the sub-pixels of the interference display module are equal in size to the sub-pixels of the first display panel at corresponding positions.
  • the first display panel includes a red sub-pixel, a green sub-pixel, and a blue sub-pixel
  • the interference display module includes a cyan sub-pixel, a magenta sub-pixel, and a yellow sub-pixel
  • the a red sub-pixel in a display panel corresponds to a cyan sub-pixel position in the interference display module
  • a green sub-pixel in the first display panel corresponds to a magenta sub-pixel position in the interference display module
  • the blue sub-pixel in the first display panel corresponds to a yellow sub-pixel position in the interference display module.
  • the brightness of the light emitted by the interference display module is the same as the brightness of the light emitted by the first display panel.
  • the interference display module includes a second display panel and a first polarizing layer disposed in a light emitting direction of the second display panel.
  • the interference display module further includes a first phase retardation film disposed between the first polarizing layer and the first display panel.
  • the first phase retardation film is a quarter wave plate.
  • the first display panel and the second display panel are both organic light emitting diode display panels.
  • the first display panel is a transparent organic light emitting diode display panel.
  • Embodiments of the present invention also provide an anti-peeping display system, including the above display device and anti-peep glasses; the anti-peep glasses include a frame and a filter lens, and the filter lens is used to filter the Interfering with the polarized light emitted by the display module.
  • the filter lens includes a second phase retardation film opposite to an optical rotation direction of the first phase retardation film and a second polarizing layer; the second phase retardation film is disposed on the second polarizing layer In the direction of light.
  • the second phase retardation film is a quarter wave plate.
  • the embodiment of the present invention further provides a display driving method for driving the display device, including: driving the interference display module to generate an interference screen when the first display panel displays a normal screen.
  • the display device is the display device described above; when the first display panel displays a normal screen, driving the interference display module to generate an interference screen includes: inputting to the interference display module The driving voltage is such that the brightness of the light emitted by the interference display module is the same as the brightness of the light emitted by the first display panel.
  • the display device is the display device, and when the first display panel displays a normal screen, driving the interference display module to generate an interference screen includes: inputting to the interference display module The same driving voltage as the driving voltage input to the first display panel.
  • the embodiment of the present invention further provides a display device manufacturing method for manufacturing the above display device, comprising: providing a first display panel and an interference display module; the light emitted by the interference display module is polarized light; A display panel is disposed in a light emitting direction of the interference display module.
  • FIG. 1 is a schematic structural diagram of an anti-peeping display system according to an embodiment of the present invention.
  • FIG. 2 is a schematic cross-sectional view of a display device according to an embodiment of the present invention.
  • FIG. 3 is a schematic flow chart of a method for fabricating a display device according to an embodiment of the present invention.
  • an embodiment of the present invention provides a display device including an interference display module and a first display panel disposed in a light emitting direction of the interference display module.
  • the light emitted by the interference display module is polarized light.
  • the display device provided by the embodiment of the present invention interferes with the normal picture by interfering with the interference picture generated by the display module, so that when the user looks at the display device with the naked eye, only the chaotic image can be seen, and the normal picture cannot be seen.
  • the light emitted by the interference display module is polarized light, and the light emitted by the interference display module and the light emitted by the first display panel are different in nature, so as to filter out the interference picture and obtain the normal picture again, thereby achieving the purpose of preventing voyeurism.
  • the embodiment of the present invention further provides an anti-peeping display system, comprising the display device and the anti-peep glasses according to the first aspect;
  • the anti-peeping glasses include a frame and a filter lens, and the filter lens For filtering out polarized light emitted by the interference display module.
  • the user can only see the chaotic image in the naked eye state, and the normal picture cannot be seen. Only the user wears the anti-theft glasses that can filter out the polarized light emitted by the interference display module. See the normal picture, thus achieving the purpose of anti-peeping. Moreover, the device has a simple structure and higher safety.
  • the embodiment of the present invention further provides a display driving method, which can be used to drive the display device of the first aspect, including: driving the interference display mode when the first display panel displays a normal screen The group produces an interference picture.
  • the brightness of the light emitted by the first display panel and the interference display module is the same, so that the image obtained by superimposing the interference picture and the normal picture is displayed as white, so that the interference is caused.
  • the interference effect of the display module is better.
  • the embodiment of the present invention further provides a display device manufacturing method, which can be used to manufacture the display device according to the first aspect, comprising: providing a first display panel and an interference display module; and the interference display module The emitted light is polarized light; the first display panel is disposed in the light emitting direction of the interference display module.
  • the method for manufacturing the display device can make the light emitted by the interference display module interfere with the light emitted by the first display panel, so that the user can only see the confusion when viewing the display device with the naked eye.
  • the image is even a white image and the normal picture cannot be seen.
  • the light emitted by the interference display module is polarized light, and the light emitted by the interference display module and the light emitted by the first display panel are different in nature, so as to filter out the interference picture and obtain the normal picture again, thereby achieving the purpose of preventing voyeurism.
  • the above-mentioned display device may have a variety of different configurations, and corresponding manufacturing methods may also be different.
  • the following description will be made with reference to the accompanying drawings.
  • a schematic structural diagram of a display device includes an interference display module 12 and a first display panel 11 disposed in a light emitting direction of the interference display module 12 .
  • the interference display module 12 can include a second display panel 122 and a first polarizing layer 121 disposed in a light emitting direction of the second display panel 122.
  • the first display panel is configured to be permeable to the polarized light.
  • the light of the interference screen generated by the interference display module 12 is superimposed on the light of the display screen generated by the first display panel 11 , so that the user can only watch when viewing the display device with the naked eye.
  • the normal picture cannot be seen.
  • the light emitted from the interference display module is polarized light, so that the person who wears the corresponding glasses through the glasses capable of filtering the polarized light can only see the normal display screen. In this way, the user wearing the glasses can normally view the picture, and the person who does not wear the glasses can only see the interference picture, thereby achieving the purpose of preventing voyeurism.
  • the interference display module 12 provided in this embodiment further includes a first phase delay.
  • the film 123 is disposed between the first polarizing layer 121 and the first display panel 11 .
  • the first phase retardation film 123 is configured to enable the light emitted from the second display panel 122 to pass through the first polarizing layer 121 and then be converted into circularly polarized light by the first phase retardation film 123.
  • the interference effect of the circularly polarized light is better and is not easy. It is cracked and has high security.
  • the optical axis direction of the first phase retardation film 123 and the light transmission direction of the first polarizing layer 121 may be at an angle to satisfy the condition for forming circularly polarized light, for example, the angle may be ⁇ /4 or ⁇ /4 ⁇ . 2 ⁇ .
  • the first phase retardation film may be a FPR film (Film-type Patterned Retarder), and the function of the FPR film is the same as that of the quarter wave plate.
  • the light emitted by the second display panel 122 passes through the first After the polarizing layer 121, polarized light is obtained, and the polarized light is further passed through a quarter-wave plate to obtain circularly polarized light.
  • the first polarizing layer 121 may be directly integrated into the FPR film for the convenience of fabrication.
  • the first display panel 11 and/or the second display panel 122 may be an organic light emitting diode display panel.
  • An organic light-emitting diode (OLED) display panel has self-luminous characteristics, and the OLED display panel has a large viewing angle and can save power.
  • the first display panel may also be a component having a display function, such as a liquid crystal display panel, and the specific display component does not affect the implementation of the present invention, and the corresponding technical solution. Also, it should fall within the scope of protection of the present invention.
  • the first display panel 11 is a transparent organic light emitting diode display panel.
  • each sub-pixel of the interference display module 12 and the color of the first display panel 11 sub-pixel of the corresponding position are complementary to each other, and the sub-pixels of the interference display module 12 are respectively The sub-pixels of the first display panel 11 corresponding to the positions are equal in size.
  • the interference display module 12 and the first display panel 11 each include a plurality of sub-pixels.
  • the sub-pixels on the first display panel 11 and the sub-pixels in the interfering display module 12 refer to at least partially overlapping or adjacent to each other in a plan view.
  • the number of sub-pixels of the interference display module 12 and the first display panel 11 are equal, and the sub-pixels on the first display panel 11 and the sub-pixels in the interference display module 12 are in one-to-one correspondence.
  • the sub-pixels 110 in the first display panel 11 and the sub-pixels 120 in the interference display module 12 that are corresponding to each other may completely overlap or partially overlap in a direction perpendicular to the first display panel 11, or may be adjacent in a planar direction. Only partial overlap is shown in FIG. 2. That is, the sub-pixels 110 in the first display panel 11 and the sub-pixels 120 in the interference display module 12 that are corresponding to each other at least partially overlap or are adjacent in plan view.
  • the brightness of the light finally emitted by the interfering pixel module 12 at each sub-pixel is equal to the brightness of the light emitted by the first display panel 11 at the pixel, so that the naked-eye viewer can finally see
  • the picture is a white picture for better interference.
  • the embodiment according to the present invention is not limited thereto, as long as the screen of the interference display module interferes with the normal display screen of the first display panel to be recognized by the observer.
  • the first display panel 11 may include a red sub-pixel, a green sub-pixel, and a blue sub-pixel.
  • the interference display module 12 may include a cyan sub-pixel, a magenta sub-pixel, and a yellow sub-pixel.
  • the red sub-pixel in the first display panel 11 corresponds to the cyan sub-pixel position in the interference display module 12, and the green sub-pixel in the first display panel 11 and the magenta sub-pixel in the interference display module 12 Corresponding to the position, the blue sub-pixel in the first display panel 11 corresponds to the position of the yellow sub-pixel in the interference display module 12; wherein the red and cyan are complementary colors, and the green and magenta complement each other, blue And yellow complement each other.
  • the method may further include: inputting a driving voltage to the second display panel of the interference display module, so that the brightness of the light emitted by the interference display module is The brightness of the light emitted by the first display panel is the same.
  • the screen displayed by the display device is a white screen.
  • the brightness of the light emitted by the interference display module 12 is the same as the brightness of the light emitted by the first display panel 11 when the input driving voltage is the same. .
  • the screen finally displayed by the display device can be made a white display screen.
  • the second display panel 122 may be caused by setting parameters of some hardware in the first display panel 11 (such as parameters of the data driving circuit, parameters of the OELD) and/or parameters of some hardware in the second display panel 122.
  • the same driving voltage (including data voltage, operating voltage, etc.) input to a first display panel 11 is emitted at a brightness of about twice the brightness of the light emitted from the same position of the first display panel 11 at each sub-pixel.
  • the second display panel 122 passes through the first polarizing layer 121, half of the light is filtered out, and then the entire display module 12 at the sub-pixel position finally emits the brightness of the light and the first display.
  • the brightness of the light emitted from the panel 11 at the sub-pixels is substantially the same, thereby being mixed into a white screen.
  • the driving voltage is input to the second display panel of the interference display module, so that the brightness of the light emitted by the interference display module is The brightness of the light emitted by the first display panel is the same.
  • the driving voltage may be the same as the driving voltage input to the first display panel.
  • the display device 100 and the anti-sneak glasses 200 are included; the anti-peep glasses 200 include a frame and a filter lens, and the filter lens is used for filtering In addition to the polarized light emitted by the interference display module 12.
  • the filter lens provided in this embodiment may be provided with a second polarizing layer on a common lens, the polarization direction of the second polarizing layer being opposite to the polarization direction of the first polarizing layer 121 in the display device 100, and at the first A second phase retardation film is disposed outside the polarizing layer, and the second phase retardation film is, for example, a quarter wave plate, and may be, for example, an FPR film, and an optical rotation direction of the FPR film and an FPR film in the interference display module.
  • the optical rotation direction is opposite.
  • the light emitted by the interference display module is left-handed
  • the filter lens is a right-handed FPR film.
  • the circularly polarized light emitted by the interference display module passes through the FPR film of the filter lens to obtain corresponding linearly polarized light, and the linearly polarized light is extinguished by the second polarizing layer on the filter lens, thereby filtering out the light emitted from the interference display module. .
  • the second polarizing layer and the second phase retardation film in the above filter lens may be integrated.
  • Step S21 The first polarizing layer 121 is disposed in the light emitting direction of the second display panel 122; the interference display module 12 is obtained;
  • Step S22 The first display panel 11 is disposed in the light emitting direction of the interference display module 12 on.
  • the display device may not include the first phase retardation film, that is, the interference display.
  • the module may include only the second display panel and the first polarizing layer disposed in the light emitting direction of the second display panel.
  • the anti-peeping glasses in the corresponding anti-peeping system may also not include a phase retarder, and the filter lens in the anti-sneak glasses includes a layer perpendicular to the light transmitting direction of the first polarizing layer in the display device.
  • the second polarizing layer filters out the polarized light emitted by the interference display module.
  • the terms “first”, “second”, and “third” are used for descriptive purposes only, and are not to be construed as indicating or implying relative importance.
  • the term “plurality” refers to two or more, unless specifically defined otherwise.

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Abstract

一种显示装置及其驱动方法、制作方法以及防偷窥显示系统。该显示装置包括：干扰显示模组(12)以及设置在该干扰显示模组出光方向上的第一显示面板(11)。该干扰显示模组出射的光线为偏振光。该显示装置中，干扰显示模组产生的干扰画面的光线会叠加到第一显示面板所产生的显示画面的光线上，从而使得用户在裸眼看该显示装置时，只能看到混乱的图像，而无法看到正常画面。而由于干扰显示模组出射的光线为偏振光，则可以通过能够滤除这样的偏振光的偏振眼镜滤除这样的偏振光得到正常的显示画面。

Description

显示装置及其驱动方法、制作方法以及防偷窥显示系统 技术领域
本发明的实施例涉及一种显示装置及其驱动方法、制作方法以及防偷窥显示系统。
背景技术
随着网络技术的发展，越来越多的人在网络上进行购物或者账户交易等操作，在这些操作过程中，操作者经常需要在电脑、手机、自动柜员机、自动取款机等显示设备上输入个人信息，这样很容易造成个人信息泄露。
人们越来越重视个人隐私，现有技术中也存在一些防偷窥显示装置，然而，现有技术中的防偷窥显示装置还不能满足人们的要求，原因在于，其结构复杂并且安全性不高，容易被破解。
发明内容
本发明的实施例提供了一种显示装置，所述显示装置包括干扰显示模组以及设置在所述干扰显示模组出光方向上的第一显示面板；其中，所述干扰显示模组出射的光线为偏振光，所述第一显示面板被配置为对于所述偏振光是可透过的。
在一些示例中，所述干扰显示模组的每一个子像素分别和对应位置的所述第一显示面板子像素的颜色互为补色。
在一些示例中，所述干扰显示模组的子像素分别和对应位置的所述第一显示面板的子像素大小相等。
在一些示例中，所述第一显示面板包括红色子像素、绿色子像素、蓝色子像素，所述干扰显示模组包括青色子像素、品红色子像素、黄色子像素，其中，所述第一显示面板中的红色子像素与所述干扰显示模组中的青色子像素位置对应，所述第一显示面板中的绿色子像素与所述干扰显示模组中的品红色子像素位置对应，所述第一显示面板中的蓝色子像素与所述干扰显示模组中的黄色子像素位置对应。
在一些示例中，在输入的驱动电压相同时，所述干扰显示模组发出的光线的亮度与所述第一显示面板发出的光线的亮度相同。
在一些示例中，所述干扰显示模组包括第二显示面板和设置在所述第二显示面板的出光方向上的第一偏光层。
在一些示例中，所述干扰显示模组还包括第一相位延迟膜，所述第一相位延迟膜设置在所述第一偏光层与所述第一显示面板之间。
在一些示例中，所述第一相位延迟膜为四分之一波片。
在一些示例中，所述第一显示面板和所述第二显示面板均为有机发光二极管显示面板。
在一些示例中，所述第一显示面板为透明有机发光二极管显示面板。
本发明的实施例还提供了一种防偷窥显示系统，包括上述的显示装置以及防偷窥眼镜；所述防偷窥眼镜包括镜架和滤光镜片，所述滤光镜片用于滤除经所述干扰显示模组出射的偏振光。
在一些示例中，所述滤光镜片包括和所述第一相位延迟膜的旋光方向相反的第二相位延迟膜以及第二偏光层；所述第二相位延迟膜设置在所述第二偏光层的入光方向上。
在一些示例中，所述第二相位延迟膜为四分之一波片。
本发明的实施例还提供了一种显示驱动方法，用于驱动上述的显示装置，包括：在所述第一显示面板显示正常画面时，驱动所述干扰显示模组产生干扰画面。
在一些示例中，所述显示装置为上述的显示装置；所述在所述第一显示面板显示正常画面时，驱动所述干扰显示模组产生干扰画面，包括：向所述干扰显示模组输入驱动电压，使所述干扰显示模组发出的光线的亮度与所述第一显示面板发出的光线的亮度相同。
在一些示例中，所述显示装置为上述的显示装置，所述在所述第一显示面板显示正常画面时，驱动所述干扰显示模组产生干扰画面，包括：向所述干扰显示模组输入与输入到所述第一显示面板的驱动电压相同的驱动电压。
本发明的实施例还提供了一种显示装置制作方法，用于制作上述显示装置，包括：提供第一显示面板和干扰显示模组；所述干扰显示模组出射的光线为偏振光；将第一显示面板设置在所述干扰显示模组的出光方向上。
附图说明
为了更清楚地说明本发明实施例的技术方案，下面将对实施例的附图作简单地介绍，显而易见地，下面描述中的附图仅仅涉及本发明的一些实施例，而非对本发明的限制。
图1是本发明实施例提供的一种防偷窥显示系统的结构示意图；
图2是本发明实施例提供的显示装置的截面示意图；
图3是本发明实施例提供的一种显示装置制作方法的流程示意图。
具体实施例
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例的附图，对本发明实施例的技术方案进行清楚、完整地描述。显然，所描述的实施例是本发明的一部分实施例，而不是全部的实施例。基于所描述的本发明的实施例，本领域普通技术人员在无需创造性劳动的前提下所获得的所有其他实施例，都属于本发明保护的范围。
第一方面，本发明实施例提供了一种显示装置，包括干扰显示模组以及设置在所述干扰显示模组出光方向上的第一显示面板。所述干扰显示模组出射的光线为偏振光。
本发明实施例提供的显示装置通过干扰显示模组产生的干扰画面对正常画面产生干扰，从而使用户在裸眼看该显示装置时，只能看到混乱的图像，无法看到正常画面。干扰显示模组出射的光线为偏振光，干扰显示模组出射的光线和第一显示面板出射的光线性质不同，以便后续滤除干扰画面从而再次得到正常画面，从而达到防偷窥的目的。
第二方面，本发明实施例还提供了一种防偷窥显示系统，包括第一方面所述的显示装置以及防偷窥眼镜；所述防偷窥眼镜包括镜架和滤光镜片，所述滤光镜片用于滤除经所述干扰显示模组出射的偏振光。
本发明实施例提供的防偷窥显示系统，用户在裸眼状态下只能看到混乱的图像，无法看到正常画面，只有用户佩戴可以滤除该干扰显示模组出射的偏振光的防偷窥眼镜才能看到正常画面，从而达到防偷窥的目的。并且，该装置结构简单、安全性更高。
第三方面，本发明实施例还提供了一种显示驱动方法，可以用于驱动第一方面所述的显示装置，包括：在所述第一显示面板显示正常画面时，驱动所述干扰显示模组产生干扰画面。
通过使用本发明实施例提供的一种显示驱动方法，实现了第一显示面板和干扰显示模组出射的光线亮度相同，从而使干扰画面和正常画面叠加后得到的图像整体显示为白色，使干扰显示模组的干扰效果更好。
第四方面，本发明实施例还提供了一种显示装置制作方法，可以用于制作第一方面所述的显示装置，包括：提供第一显示面板和干扰显示模组；所述干扰显示模组出射的光线为偏振光；将第一显示面板设置在所述干扰显示模组的出光方向上。
本发明实施例提供的一种显示装置制作方法，可以使干扰显示模组出射的光线对第一显示面板出射的光线产生干扰作用，从而使用户在裸眼看该显示装置时，只能看到混乱的图像甚至一幅白色图像，无法看到正常画面。干扰显示模组出射的光线为偏振光，干扰显示模组出射的光线和第一显示面板出射的光线性质不同，以便后续滤除干扰画面从而再次得到正常画面，从而达到防偷窥的目的。
例如，上述的显示装置的具有结构可能具有多种不同的形式，对应的制作方法也可能不尽相同，下面结合附图进行举例说明。
参照图1，图中100为本发明实施例提供的一种显示装置的结构示意图，包括干扰显示模组12以及设置在所述干扰显示模组12出光方向上的第一显示面板11。所述干扰显示模组12可以包括第二显示面板122和设置在所述第二显示面板122的出光方向上的第一偏光层121。
例如，所述第一显示面板被配置为对于所述偏振光是可透过的。
图1中的显示装置中，干扰显示模组12产生的干扰画面的光线会叠加到第一显示面板11所产生的显示画面的光线上，从而使得用户在裸眼看该显示装置时，只能看到混乱的图像，无法看到正常画面。另一方面干扰显示模组出射的光线为偏振光，这样后续可以通过能够滤除该偏振光的眼镜佩戴相应眼镜的人仅看到正常显示画面。这样就能够使得佩戴眼镜的用户可以正常观看到画面，而没有佩戴眼镜的人仅能看到干扰画面，从而达到防偷窥的目的。
同样参照图1，本实施例提供的干扰显示模组12还包括有第一相位延迟 膜123，该第一相位延迟膜123设置在所述第一偏光层121与所述第一显示面板11之间。
设置第一相位延迟膜123能够使得第二显示面板122出射的光线通过第一偏光层121后再通过第一相位延迟膜123转换为圆偏振光，圆偏振光的干扰效果更好，并且不容易被破解，安全性高。
例如，上述第一相位延迟膜123的光轴方向和该第一偏光层121的透光方向可以呈一定角度以满足形成圆偏振光的条件，例如该角度可以为π/4或者π/4±2π。
例如，上述第一相位延迟膜可以为FPR膜(Film-type Patterned Retarder，相位延迟膜)，FPR膜的作用和四分之一波片的作用相同，第二显示面板122出射的光线通过第一偏光层121后得到偏振光，偏振光再通过四分之一波片得到圆偏振光。
例如，为了制作方便，也可以直接将第一偏光层121直接集成到FPR膜中。
例如，上述第一显示面板11和/或所述第二显示面板122可以为有机发光二极管显示面板。
有机发光二极管(organic light-emitting diode，OLED)显示面板具有自发光特性，OLED显示面板的可视角度较大，并且能够节省电能。可以理解的是，在一些可替代的实施例中，上述第一显示面板也可以为液晶显示面板等具有显示功能的部件，具体采用何种显示部件不会影响本发明的实施，相应的技术方案也均应该落入本发明的保护范围。
在一些示例中，第一显示面板11是透明有机发光二极管显示面板。
在一些示例中，所述干扰显示模组12的每一个子像素分别和对应位置的所述第一显示面板11子像素的颜色互为补色，并且所述干扰显示模组12的子像素分别和对应位置的所述第一显示面板11的子像素大小相等。例如，干扰显示模组12和第一显示面板11均包括多个子像素。第一显示面板11上的子像素和干扰显示模组12中的子像素对应是指平面图中至少部分重叠或者相邻。例如，干扰显示模组12和第一显示面板11的子像素数量相等，第一显示面板11上的子像素和干扰显示模组12中的子像素一一对应。
例如，如图2所示，在第一显示面板11和干扰显示模组12彼此叠置时， 彼此对应的第一显示面板11中的子像素110和干扰显示模组12中的子像素120可以在垂直于第一显示面板11的方向上完全重叠或部分重叠、或者在平面方向上相邻。图2中仅示出了部分重叠的情况。也就是说，彼此对应的第一显示面板11中的子像素110和干扰显示模组12中的子像素120在平面图中至少部分重叠或者相邻。
这样通过进行合适的驱动控制使得干扰像素模组12在每一个子像素处最终出射的光线的亮度与该像素处的第一显示面板11出射的光线的亮度相等，能够使得裸眼观看者最终看到的画面为一幅白色画面，达到更好的干扰效果。然而，根据本发明的实施例不限于此，只要使得干扰显示模组的画面干扰第一显示面板的正常显示画面被观察者识别即可。
这里的互为补色与现有技术中的理解一致，如果一种颜色与另一种颜色能够混合得到白色，则可以认为两种颜色互为补色。比如在实际应用中，上述第一显示面板11可以包括红色子像素、绿色子像素、蓝色子像素，上述干扰显示模组12可以包括青色子像素、品红色子像素、黄色子像素。
上述第一显示面板11中的红色子像素与上述干扰显示模组12中的青色子像素位置对应，上述第一显示面板11中的绿色子像素与上述干扰显示模组12中的品红色子像素位置对应，上述第一显示面板11中的蓝色子像素与上述干扰显示模组12中的黄色子像素位置对应；其中，红色与青色互为补色，绿树与品红色互为补色，蓝色和黄色互为补色。
对应的，在对这样的显示装置进行驱动时，上述的方法还可以包括向所述干扰显示模组中的第二显示面板输入驱动电压，使所述干扰显示模组发出的光线的亮度与所述第一显示面板发出的光线的亮度相同。以实现显示装置显示的画面为白色画面。
进一步的，上述的显示装置中，还可以按照如下方式设置：在输入的驱动电压相同时，所述干扰显示模组12发出的光线的亮度与所述第一显示面板11发出的光线的亮度相同。
这样的好处是，对干扰显示模组12和第一显示面板11进行驱动时，可以采用相同的驱动电压驱动即可，操作方便。当然，不按照这种方式设置的情况下，通过控制输入到两个显示面板中的驱动电压也可以使得显示装置最终显示的画面为白色显示画面。
例如，可以通过设置当第一显示面板11中的一些硬件的参数(比如数据驱动电路的参数、OELD的参数)和/或第二显示面板122中的一些硬件的参数使得第二显示面板122被输入一第一显示面板11相同的驱动电压(包括数据电压、工作电压等)在每一个子像素处发出的光线的亮度大约为第一显示面板11的在相同位置发出的光线的亮度的两倍，这样第二显示面板122经过上述的第一偏光层121之后，一半的光线被过滤掉，则这整个干扰显示模组12在该子像素位置处的最终该出射的光线的亮度与第一显示面板11在该子像素处出射的光线的亮度大致相同，从而混合成白色画面。
相应的，对这样的显示装置进行驱动时，上述的驱动方法中“向所述干扰显示模组中的第二显示面板输入驱动电压，使所述干扰显示模组发出的光线的亮度与所述第一显示面板发出的光线的亮度相同”可以是指向所述干扰显示模组输入与输入到所述第一显示面板的驱动电压相同的驱动电压。
包含这样的显示装置100的防偷窥显示系统的同样参照图1，包括上述显示装置100以及防偷窥眼镜200；所述防偷窥眼镜200包括镜架和滤光镜片，所述滤光镜片用于滤除经所述干扰显示模组12出射的偏振光。
例如，本实施例提供的滤光镜片可以在普通镜片上设置第二偏光层，该第二偏光层的偏振方向与显示装置100中的第一偏光层121的偏振方向相反，并在该第一偏光层的外侧设置第二相位延迟膜，该第二相位延迟膜例如为四分之一波片，例如可以是FPR膜，并且该FPR膜的旋光方向和上述干扰显示模组中的FPR膜的旋光方向相反，例如上述干扰显示模组出射的光线为左旋光，则滤光镜片采用右旋FPR膜。干扰显示模组出射的圆偏振光通过滤光镜片的FPR膜后得到相应的线偏振光，线偏振光被滤光镜片上的第二偏光层消光，从而达到滤除干扰显示模组出射的光线。
例如，为了制作方便减小体积，上述滤光镜片中第二偏光层和第二相位延迟膜可以集成到一起。
参照图3，当上述的制作方法用以制作图1中的显示装置时，可以包括如下步骤：
步骤S21：将第一偏光层121设置在第二显示面板122的出光方向上；得到干扰显示模组12；
步骤S22：将第一显示面板11设置在所述干扰显示模组12的出光方向 上。
可以理解的是，虽然在本发明实施例中，是以包含相位延迟膜进行的说明，但在一些可替代的实施例中，显示装置也可以不包括上述第一相位延迟膜，即上述干扰显示模组可以只包括第二显示面板和设置在第二显示面板出光方向上的第一偏光层。与之相对应的，相应的防偷窥系统中的防偷窥眼镜也可以不包含相位延迟片，该防偷窥眼镜中的滤光镜片包括一层和该显示装置中第一偏光层透光方向垂直的第二偏光层，从而滤除干扰显示模组出射的偏振光。则相应的制作方法中，在制作干扰显示模组时，也无需包括设置第一相位延迟膜的步骤。
在本发明中，术语“第一”、“第二”、“第三”仅用于描述目的，而不能理解为指示或暗示相对重要性。术语“多个”指两个或两个以上，除非另有明确的限定。
以上所述仅是本发明的示范性实施例，而非用于限制本发明的保护范围，本发明的保护范围由所附的权利要求确定。
本申请要求于2016年1月26日递交的中国专利申请第201610052354.X号的优先权，在此全文引用上述中国专利申请公开的内容以作为本申请的一部分。

Claims (17)

  1. 一种显示装置，包括干扰显示模组以及设置在所述干扰显示模组出光方向上的第一显示面板；其中，所述干扰显示模组出射的光线为偏振光，所述第一显示面板被配置为对于所述偏振光是可透过的。
  2. 如权利要求1所述的显示装置，其中，所述干扰显示模组的每一个子像素分别和对应位置的所述第一显示面板子像素的颜色互为补色。
  3. 如权利要求2所述的显示装置，其中，所述干扰显示模组的子像素分别和对应位置的所述第一显示面板的子像素大小相等。
  4. 如权利要求3所述的显示装置，其中，所述第一显示面板包括红色子像素、绿色子像素、蓝色子像素，所述干扰显示模组包括青色子像素、品红色子像素、黄色子像素；
    其中，所述第一显示面板中的红色子像素与所述干扰显示模组中的青色子像素位置对应，所述第一显示面板中的绿色子像素与所述干扰显示模组中的品红色子像素位置对应，所述第一显示面板中的蓝色子像素与所述干扰显示模组中的黄色子像素位置对应。
  5. 如权利要求2～4任一项所述的显示装置，其中，在输入的驱动电压相同时，所述干扰显示模组发出的光线的亮度与所述第一显示面板发出的光线的亮度相同。
  6. 如权利要求1所述的显示装置，其中，所述干扰显示模组包括第二显示面板和设置在所述第二显示面板的出光方向上的第一偏光层。
  7. 如权利要求6所述的显示装置，其中，所述干扰显示模组还包括第一相位延迟膜，所述第一相位延迟膜设置在所述第一偏光层与所述第一显示面板之间。
  8. 如权利要求7所述的显示装置，其中，所述第一相位延迟膜为四分之一波片。
  9. 如权利要求1所述的显示装置，其中，所述第一显示面板和所述第二显示面板均为有机发光二极管显示面板。
  10. 如权利要求1所述的显示装置，其中，所述第一显示面板为透明有机发光二极管显示面板。
  11. 一种防偷窥显示系统，包括权利要求1～9任一项所述的显示装置以及防偷窥眼镜；
    所述防偷窥眼镜包括镜架和滤光镜片，所述滤光镜片用于滤除经所述干扰显示模组出射的偏振光。
  12. 如权利要求11所述的系统，其中，所述显示装置为如权利要求7或8所述的显示装置；
    所述滤光镜片包括和所述第一相位延迟膜的旋光方向相反的第二相位延迟膜以及第二偏光层；
    所述第二相位延迟膜设置在所述第二偏光层的入光方向上。
  13. 如权利要求12所述的系统，其中，所述第二相位延迟膜为四分之一波片。
  14. 一种显示驱动方法，用于驱动如权利要求1～9任一项所述的显示装置，包括：
    在所述第一显示面板显示正常画面时，驱动所述干扰显示模组产生干扰画面。
  15. 如权利要求14所述的方法，其中，所述显示装置为如权利要求2～5任一项所述的显示装置；
    所述在所述第一显示面板显示正常画面时，驱动所述干扰显示模组产生干扰画面，包括：
    向所述干扰显示模组输入驱动电压，使所述干扰显示模组发出的光线的亮度与所述第一显示面板发出的光线的亮度相同。
  16. 如权利要求15所述的方法，其中，所述在所述第一显示面板显示正常画面时，驱动所述干扰显示模组产生干扰画面，包括：
    向所述干扰显示模组输入与输入到所述第一显示面板的驱动电压相同的驱动电压。
  17. 一种显示装置制作方法，用于制作如权利要求1～9任一项所述的显示装置，包括：
    提供第一显示面板和干扰显示模组；所述干扰显示模组出射的光线为偏振光；
    将第一显示面板设置在所述干扰显示模组的出光方向上。
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