WO2016197486A1 - 显示装置及显示方法 - Google Patents

显示装置及显示方法 Download PDF

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Publication number
WO2016197486A1
WO2016197486A1 PCT/CN2015/090696 CN2015090696W WO2016197486A1 WO 2016197486 A1 WO2016197486 A1 WO 2016197486A1 CN 2015090696 W CN2015090696 W CN 2015090696W WO 2016197486 A1 WO2016197486 A1 WO 2016197486A1
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WO
WIPO (PCT)
Prior art keywords
region
display
viewing angle
panel
substrate
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Application number
PCT/CN2015/090696
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English (en)
French (fr)
Inventor
马新利
Original Assignee
京东方科技集团股份有限公司
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Application filed by 京东方科技集团股份有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US15/104,944 priority Critical patent/US9927640B2/en
Priority to EP15866394.8A priority patent/EP3309774A4/en
Publication of WO2016197486A1 publication Critical patent/WO2016197486A1/zh

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    • 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
    • G02F1/1323—Arrangements for providing a switchable viewing angle
    • 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
    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
    • 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
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • 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
    • G02F1/1343—Electrodes
    • G02F1/13439—Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
    • 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
    • G09G3/34—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 by control of light from an independent source
    • G09G3/36—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 by control of light from an independent source using liquid crystals
    • 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
    • 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
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/028—Improving the quality of display appearance by changing the viewing angle properties, e.g. widening the viewing angle, adapting the viewing angle to the view direction
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0606—Manual adjustment
    • 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

Definitions

  • the present invention relates to the field of display technologies, and in particular, to a display device and a display method.
  • the anti-spy film is generally installed on the display device.
  • the anti-peep film generally includes a plurality of light-shielding strips, which reduces the viewing angle of the display device. Within a certain angle of view, the user can see the display content beyond a certain level. The range of perspectives that others cannot see.
  • the display device needs to be displayed at a large angle of view. At this time, the privacy film needs to be removed.
  • Embodiments of the present invention provide a display device and a display method, and a user can adjust a viewing angle of a display device by a control command to meet different needs.
  • an embodiment of the present invention provides a display device, including:
  • the viewing angle adjustment panel disposed on a light exiting side of the display panel, the viewing angle adjustment panel including at least one strip-shaped first region and at least one strip-shaped second region, the first region and the second region being mutually Alternately arranged
  • control device connected to the viewing angle adjustment panel; the control device is configured to control the first region and the second region of the viewing angle adjustment panel to transmit light when receiving the first instruction; when receiving the second instruction And controlling the first area of the viewing angle adjustment panel to be opaque, and the second area to transmit light.
  • an embodiment of the present invention provides a display method of a display device, including:
  • the first area of the viewing angle adjustment panel is controlled to be opaque, and the second area is transparent.
  • Embodiments of the present invention provide a display device and a display method.
  • the display device includes a display panel and a viewing angle adjustment panel.
  • the user can trigger a first instruction or a second instruction according to requirements, and the control device controls when receiving the first instruction.
  • the first region and the second region of the viewing angle adjustment panel are both transparent, and the display device can realize normal (large viewing angle) display; when the control device receives the second command, the first region of the viewing angle adjustment panel is controlled to be opaque, and the second The area is transparent, and the viewing angle adjustment panel forms a grating, which can reduce the viewing angle of the display panel, thereby enabling anti-peep display.
  • FIG. 1 is a schematic diagram of a display device in accordance with an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of another display device in accordance with an embodiment of the present invention.
  • FIG. 3 is a schematic view of a first electrode corresponding to the display device shown in FIG. 1;
  • FIG. 4 is a schematic view of a first electrode corresponding to the display device shown in FIG. 2;
  • FIG. 5 is a schematic diagram of another display device according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of an optical path of a display device according to an embodiment of the invention.
  • An embodiment of the present invention provides a display device, as shown in FIG. 1, comprising:
  • control device (not shown) connected to the viewing angle adjustment panel; the control device is configured to control the viewing angle adjustment panel 20 such that both the first region 21 and the second region 22 transmit light upon receiving the first instruction; In the second command, the viewing angle adjustment panel 20 is controlled such that the first area 21 is opaque and the second area 22 is transparent.
  • control device may be a control chip
  • the first instruction may be a normal (large viewing angle) display instruction
  • the second instruction may be a privacy (small angle of view) display instruction.
  • the control device receiving the first instruction and the second instruction may be implemented by setting an option in the interface, the user selecting the first instruction or the second instruction. Control device based on user The selected command controls the light transmission of the first region and the second region of the viewing angle adjustment panel.
  • the display device can achieve normal display. If the first area of the viewing angle adjustment panel is opaque and the second area is transparent, the viewing angle adjustment panel forms a grating, so that the viewing angle of the display panel can be adjusted, thereby achieving anti-spy display. That is, the embodiment of the present invention provides a display device, which can adjust the display angle of the display panel by controlling the viewing angle adjustment panel to transmit light or form a grating, and can realize the anti-peep display and the normal display. Switch between at will.
  • the viewing angle adjustment panel 20 is a liquid crystal panel.
  • the liquid crystal panel includes a plurality of strip-shaped first regions 21 and second regions 22 which are alternately spaced apart from each other.
  • the liquid crystal panel shown in FIG. 1 has a light transmissibility of the first region 21; In the liquid crystal panel, the light transmittance of the first region 21 and the second region 22 can be adjusted.
  • the liquid crystal panel may be adjusted such that the first region is an opaque region to form a grating. If the light transmittance of the first region and the second region can be adjusted, the liquid crystal panel can be adjusted such that the first region is an opaque region, and the second region is a light transmitting region, or the liquid crystal panel can be adjusted to make the first
  • the area is a light transmissive area and the second area is an opaque area to form a grating.
  • first area and the second area are not limited in the embodiment of the present invention, and only the example in the figure is taken as an example.
  • the positions of the first area and the second area in FIGS. 1 and 2 may also be interchanged.
  • the liquid crystal panel is in a normally white mode.
  • the liquid crystal panel transmits light without power, so that the display device can realize normal display.
  • the display device When it is required to realize the anti-spy display, it switches to the second state, and at this time, a voltage is applied to the liquid crystal panel. Since the user only needs normal display in most cases, the normally white mode is more conducive to power saving.
  • the widths of the first area and the second area are not adjustable.
  • the liquid crystal panel (viewing angle adjustment panel 20) includes: a first substrate 210, a second substrate 220, and first electrodes 211 on the first substrate 210 and the second substrate 220, respectively. a second electrode 221, and a liquid crystal between the first substrate 210 and the second substrate 220;
  • the first electrode 211 is a strip electrode corresponding to the first region 21; the second electrode 221 is a planar electrode corresponding to the first region 21 and the second region 22.
  • the principle of the liquid crystal panel is similar to the principle of the liquid crystal display.
  • the first electrode and the second electrode are simultaneously loaded with a voltage
  • the first electrode and the second electrode form an electric field, so that the driving liquid crystal is deflected and the light transmittance is changed.
  • the first electrode corresponds to the first region
  • the light transmittance of the first region is adjustable
  • the light transmittance of the second region is not adjustable.
  • the liquid crystal panel may be adjusted such that the first region is an opaque region to form a grating.
  • the first electrode may be the same shape as the first region a strip shape, and the width of the first region is equal to the width of the first electrode.
  • the widths of the first area and the second area are adjustable.
  • the liquid crystal panel includes: a first substrate 210, a second substrate 220, first and second electrodes 211 and 221 respectively located on the first substrate 210 and the second substrate 220, and The liquid crystal 230 is located between the first substrate 210 and the second substrate 220.
  • the first electrode 211 includes a plurality of rows of unit electrodes, at least one row of unit electrodes corresponding to the first region, and the second electrode 221 is a planar electrode corresponding to the first region 21 and the second region 22.
  • each of the first regions 21 corresponds to six rows of unit electrodes
  • each of the second regions 22 corresponds to two rows of unit electrodes.
  • one row of unit electrodes may include one strip electrode, and may also include a plurality of sub unit electrodes.
  • the sub-unit electrodes may be pixel electrodes similar to liquid crystal display panels, which form a plurality of rows and a plurality of columns.
  • the principle of the liquid crystal panel is similar to the principle of the liquid crystal display.
  • the first electrode and the second electrode are simultaneously loaded with a voltage
  • the first electrode and the second electrode form an electric field
  • the liquid crystal is driven to deflect and change the light transmittance.
  • the liquid crystal corresponding to the cell electrodes of different numbers of rows is driven to be deflected, thereby changing the widths of the first region and the second region.
  • the signal driving of the liquid crystal grating to control the first electrode and the second electrode reference may be made to the conventional liquid crystal display driver, which will not be described herein.
  • the display panel 10 includes a plurality of pixel groups arranged alternately, each pixel group includes at least one pixel, and the adjacent two pixel groups are respectively referred to as a first pixel group 11 And the second pixel group 12, the first pixel group 11 and the second pixel group 12 are alternately arranged; the second region 22 corresponds to the second pixel group 12, and the width of the second region 22 is smaller than that of each pixel in the second pixel group 12. The sum of the widths.
  • the pixel group includes at least one pixel, that is, the first pixel group includes at least one pixel, the second pixel group includes at least one pixel, and the number of the first pixel group and the second pixel group including the pixels may be the same or different, and the first The number of pixels included in the pixel group and the second pixel group is not specifically limited in the present invention.
  • the first pixel group 11 includes two pixels
  • the second pixel group 12 includes one pixel as an example for detailed description.
  • one pixel includes a multi-layer film and a layer structure formed on the display panel.
  • the pixel group and the pixel are only examples.
  • the display device satisfies the following relationship:
  • the second pixel group 12 includes one pixel, and thus the width of the second pixel group is equal to the width of one pixel and is L.
  • the width of the second region is d, and the distance between the first electrode 211 and the light-emitting side of the display panel (only FIG. 6 is an example) is H.
  • the original viewing angle range of the two first pixel groups 11 is the viewing angle a formed by L1 and L3, and the viewing angle b formed by L4 and L6;
  • the original viewing angle range of the two pixel group is the viewing angle c formed by L2 and L5.
  • the display images of the first pixel group and the second pixel group are mixed as an abnormal display area, so the viewing angle range of the second pixel group is only
  • the viewing angle range of the first pixel group is the viewing angle formed by L1 and L2, and the viewing angle formed by L5 and L6.
  • the viewing angle range of the second pixel group can be adjusted by adjusting the width of the second region to d.
  • the viewing angle range of the second pixel group is: 10° ⁇ 30°.
  • the display panel is an organic light emitting diode display panel or a liquid crystal display panel.
  • the first polarizer 31 is formed on a side of the first substrate 210 away from the liquid crystal 230 .
  • a second polarizer 32 is formed on a side of the second substrate 220 away from the liquid crystal 230.
  • the transmission axes of the first polarizer 31 and the second polarizer 32 are perpendicular.
  • the liquid crystal display panel is a liquid crystal liquid crystal display panel, as shown in FIG. 5, the liquid crystal display panel is formed with a third polarizer 33 on the side away from the viewing angle adjustment panel 20, and the transmission axis of the third polarizer 33 and the first polarizer The transmission axis of 31 is vertical.
  • the display device since the liquid crystal display panel cannot emit light, a backlight is required to realize display, and the display device thus further includes a backlight.
  • the light emitted by the backlight passes through the third polarizer to form polarized light, enters the liquid crystal display panel, and is then emitted through the first polarizer.
  • the purpose of making the transmission axis of the polarizer perpendicular is mainly to realize the conversion of light transmission and opacity, but actually, for different display modes, the relative relationship of the transmission axis
  • the orientation can be different, where the transmission axis is vertical only for the normally white mode.
  • the transmission axes of the two polarizers may be parallel to each other, and in this case, a normally black mode will be obtained.
  • An embodiment of the present invention provides a display method of a display device, including:
  • Step 101 in this step, driving the display panel to display an image.
  • the display panel can be a normal display.
  • Step 102 in this step, receiving a first instruction, controlling the viewing angle adjustment panel to make both the first area and the second area transparent; or receiving a second instruction to control the viewing angle adjustment panel such that the first area is opaque, and The two areas are transparent.
  • the viewing angle adjusting panel is a liquid crystal panel.
  • the principle of the liquid crystal panel is similar to the principle of the liquid crystal display.
  • the first electrode and the second electrode are simultaneously loaded with a voltage, the first electrode and the second electrode form an electric field, so that the liquid crystal is driven. Deflection occurs to change the light transmission.
  • the control driver after receiving the first instruction or the second instruction, controls the first region by controlling voltage signals of the first electrode and the second electrode disposed on the viewing angle adjustment panel
  • the domain and the second region respectively transmit light, or the first region is opaque, and the second region is transparent to form a grating.
  • both the first region and the second region are transparent.
  • the first electrode 211 and the second electrode 221 are respectively loaded with a voltage, so that the liquid crystal 230 corresponding to the first region 21 is driven by an electric field to realize that the first region is opaque; at this time, since the liquid crystal 230 of the second region 22 is not Driven by the electric field, the second region 22 is transparent, and the viewing angle adjustment panel forms a grating.
  • both the first region and the second region are transparent.
  • a voltage is applied to the first electrode 211 and the second electrode 221, respectively, so that the liquid crystal 230 corresponding to the first region 21 is driven by an electric field to achieve opacity of the first region; and the liquid crystal 230 corresponding to the second region 22 is at an electric field.
  • the second region 22 is made transparent, so that the viewing angle adjustment panel forms a grating.
  • the display panel includes at least two pixel groups arranged alternately, each pixel group includes at least one pixel, and adjacent two pixel groups of the at least two pixel groups are respectively referred to as a first pixel group and Two pixel groups; driving the display panel to display images is specifically:
  • the first pixel group is driven to display the first image
  • the second pixel group is driven to display the second image.
  • the display panel enables dual image display, for example, the first image may be a word document and the second image may be a video.
  • the user In the second state of the dual display image, the user can be made to see the word document, and the surrounding people can see the video screen.
  • 10-display panel 11-first pixel group; 12-second pixel group; 20-viewing angle adjustment panel; 21-first region;

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  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
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Abstract

一种显示装置及显示方法，解决了现有的防窥显示装置用户体验差的问题。一种显示装置，包括：显示面板（10）；设置在所述显示面板（10）出光侧上的视角调节面板（20），所述视角调节面板（20）包括至少一个条形的第一区域（21）和至少一个条形的第二区域（22），所述第一区域（21）和所述第二区域（22）彼此交替布置；以及与所述视角调节面板（20）连接的控制器件；所述控制器件用于在接收到第一指令时，控制所述视角调节面板（20）使得第一区域（21）和第二区域（22）均透光；接收到第二指令时，控制所述视角调节面板（20）使得第一区域（21）不透光，而第二区域（22）透光。

Description

显示装置及显示方法
本申请要求于2015年6月10日递交中国专利局的、申请号为201510317005.1、名称为“一种显示装置及显示方法”的中国专利申请的权益，该申请的全部公开内容以引用方式并入本文。
技术领域
本发明涉及显示技术领域，尤其涉及一种显示装置及显示方法。
背景技术
移动显示设备已经广泛应用于日常生活，然而当用户处于公共场所时，显示装置所显示的内容难免会被其他人看到。现有技术中一般通过在显示装置上安装防窥膜，防窥膜一般包括多条遮光条，减小了显示装置的视角，在一定角度的视角范围内，用户可以看到显示内容，超过一定的视角范围，旁人无法看到显示内容。
但当用户需要和多个人共享显示内容时，就需要显示装置能够大视角显示，此时，就需将防窥膜去除。
那么，为了满足用户对大视角和小视角不同的需求，就需要反复贴、撕防防窥膜，这样不仅会造成用户体验差，更会因在撕下防窥膜上时，造成粘贴剂的残留，从而导致显示装置的屏幕受到损伤。
发明内容
本发明的实施例提供一种显示装置及显示方法，用户可通过控制指令调节显示装置的视角大小，满足不同需求。
为达到上述目的，本发明的实施例采用如下技术方案：
一方面，本发明实施例提供了一种显示装置，包括：
显示面板；
设置在所述显示面板出光侧上的视角调节面板，所述视角调节面板包括至少一个条形的第一区域和至少一个条形的第二区域，所述第一区域和所述第二区域彼此交替布置；
以及与所述视角调节面板连接的控制器件；所述控制器件用于在接收到第一指令时，控制所述视角调节面板的第一区域和第二区域均透光；接收到第二指令时，控制所述视角调节面板的第一区域不透光，第二区域透光。
另一方面，本发明实施例提供了一种显示装置的显示方法，包括：
驱动显示面板以显示图像；
接收到第一指令，控制所述视角调节面板的第一区域和第二区域均透光；或者，
接收到第二指令，控制所述视角调节面板的第一区域不透光，第二区域透光。
本发明的实施例提供一种显示装置及显示方法，所述显示装置包括显示面板和视角调节面板，用户可以根据需求触发第一指令或第二指令，控制器件在接收到第一指令时，控制视角调节面板的第一区域和第二区域均透光，显示装置可以实现正常(大视角)显示；控制器件在接收到第二指令时，控制视角调节面板的第一区域不透光，第二区域透光，视角调节面板形成光栅，可以减小显示面板的视角，进而可以实现防窥显示。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为根据本发明实施例的一种显示装置的示意图；
图2为根据本发明实施例的另一种显示装置的示意图；
图3为对应于图1所示显示装置的第一电极的示意图；
图4为对应于图2所示显示装置的第一电极的示意图；
图5为根据本发明实施例的另一种显示装置的示意图；
图6为根据本发明实施例的一种显示装置的光路的示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动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。
本发明的一个实施例提供了一种显示装置，如图1所示，包括：
显示面板10；
设置在显示面板10出光侧上的视角调节面板20，视角调节面板20包括至少一个条形的第一区域21和至少一个条形的第二区域22，第一区域21和第二区域22彼此交替布置；
以及与视角调节面板连接的控制器件(图中未示出)；控制器件用于在接收到第一指令时，控制视角调节面板20使得第一区域21和第二区域22均透光；接收到第二指令时，控制视角调节面板20使得第一区域21不透光，而第二区域22透光。
具体的，控制器件可以是控制芯片，第一指令可以是正常(大视角)显示指令，第二指令可以是防窥(小视角)显示指令。控制器件接收第一指令和第二指令可以是通过在界面设置选项，用户选择第一指令或第二指令来实现。控制器件根据用户 选择的指令控制视角调节面板的第一区域和第二区域的透光性。
如果视角调节面板的第一区域和第二区域均透光，则显示装置可以实现正常显示。如果视角调节面板的第一区域不透光，而第二区域透光，则视角调节面板形成光栅，从而可以调节显示面板的视角，进而实现防窥显示。即本发明实施例提供了一种显示装置，在接收不同的指令下，其可以通过控制视角调节面板以便透光或形成光栅来调节显示面板的显示视角，进而可以实现在防窥显示和正常显示之间随意切换。
可选的，如图1、图2所示，视角调节面板20为液晶面板。液晶面板包括多个条形的彼此交替间隔开的第一区域21和第二区域22，其中，图1所示的液晶面板中，第一区域21的透光性可调整；图2所示的液晶面板中，第一区域21和第二区域22的透光性均可调整。
具体的，若第一区域的透光性可调整，则在第二区域为不可调整的透光区域的情况下，可以调整液晶面板使得第一区域为不透光区域，以形成光栅。若第一区域和第二区域的透光性均可调整，则可以调整液晶面板使得第一区域为不透光区域，而第二区域为透光区域，或者，还可以调整液晶面板使得第一区域为透光区域，而第二区域为不透光区域，以形成光栅。
需要说明的是，本发明的实施例对与第一区域和第二区域对应的具***置不作限定，仅以图示中的为例进行说明。例如，图1、图2中的第一区域和第二区域的位置还可互换。
优选的，液晶面板为常白模式。常白模式即液晶面板在不加电的情况下透光，这样显示装置可以实现正常显示。在需要实现防窥显示时切换至第二状态，此时向液晶面板加载电压。由于用户在多数情况下仅需要正常显示，所以常白模式更有利于省电。
可选的，第一区域和第二区域的宽度不可调整。
具体的，如图1、图3所示，液晶面板(视角调节面板20)包括：第一基板210、第二基板220、分别位于第一基板210和第二基板220上的第一电极211和第二电极221、以及位于第一基板210和第二基板220之间的液晶；
其中，第一电极211为条状电极，其对应于第一区域21；第二电极221为面状电极，其对应于第一区域21和第二区域22。
液晶面板的原理与液晶显示的原理相近，在第一电极和第二电极同时加载电压的情况下，第一电极和第二电极形成电场，使得驱动液晶发生偏转，改变透光性。如果第一电极对应于第一区域，则第一区域的透光性是可调整的，并且第二区域的透光性是不可调整的。在第二区域为透光区域的情况下，可以调整液晶面板使得第一区域为不透光区域，以形成光栅。
在第一电极对应于第一区域的情况下，第一电极可以是与第一区域的形状相同 的条形，并且第一区域的宽度等于第一电极的宽度。
可选的，第一区域和第二区域的宽度是可调整的。
具体的，如图2、图4所示，液晶面板包括：第一基板210、第二基板220、分别位于第一基板210和第二基板220上的第一电极211和第二电极221、以及位于第一基板210和第二基板220之间的液晶230。
其中，第一电极211包括多排单元电极，至少一排单元电极对应于第一区域；第二电极221为面状电极，其对应于第一区域21和第二区域22。如图4所示，每个第一区域21对应六排单元电极，每个第二区域22对应两排单元电极。其中，一排单元电极可以包括一个条形电极，也可以包括多个子单元电极。具体的，在一排单元电极包括多个子单元电极的情况下，子单元电极可以是类似液晶显示面板的像素电极，其形成多排和多列。
具体的，液晶面板的原理与液晶显示的原理相近，在第一电极和第二电极同时加载电压的情况下，第一电极和第二电极形成电场，驱动液晶发生偏转，改变透光性。则可以通过选择向不同排数的单元电极加载电压，以驱动不同排数的单元电极对应的液晶发生偏转，进而改变第一区域和第二区域的宽度。关于液晶光栅控制第一电极和第二电极的信号驱动，可以参照现有的液晶显示驱动，这里不作赘述。
可选的，如图1、图2所示，显示面板10包括交替布置的多个像素组，每个像素组包括至少一个像素，相邻的两个像素组分别被称为第一像素组11和第二像素组12，第一像素组11和第二像素组12交替布置；第二区域22对应于第二像素组12，且第二区域22的宽度小于第二像素组12中各像素的宽度之和。
像素组包括至少一个像素，即第一像素组包括至少一个像素，第二像素组包括至少一个像素，且第一像素组和第二像素组包括像素的个数可以相同也可以不同，且第一像素组和第二像素组包括的像素的个数本发明不作具体限定。如图1、图2所示，本发明实施例以第一像素组11包括两个像素，第二像素组12包括一个像素为例进行详细说明。需要说明的是，一个像素包括形成在显示面板上的多层薄膜和层结构，本发明实施例中，像素组和像素仅为示例说明。
优选的，如图6所示，第二像素组中各像素的宽度之和为L，第二区域的宽度为d，第一电极与显示面板出光侧的距离为H，第一电极形成在第一基板上，第一基板的透过率为n，第二像素组的视角范围为θ；则显示装置满足以下关系：
Figure PCTCN2015090696-appb-000001
参照图6所示，第二像素组12包括一个像素，因而第二像素组的宽度等于一个像素的宽度，且为L。第二区域的宽度为d，第一电极211与显示面板出光侧(图6仅为示例)的距离为H。如图6所示，在第二区域上方的视场中，两个第一像素组11的原视角范围为L1和L3形成的视角a，以及L4和L6形成的视角b；并且第 二像素组的原视角范围为L2和L5形成的视角c。由于视角a和视角c的重叠区域，以及视角b和视角c的重叠区域，第一像素组和第二像素组的显示图像混合，为非正常显示区域，因此第二像素组的视角范围仅为L3和L4形成的视角θ，第一像素组的视角范围为L1和L2形成的视角以及L5和L6形成的视角。
在显示装置形成之后，上述公式中第二像素组中各像素的宽度之和为L，第一电极与显示面板出光侧的距离为H，第一基板的透过率为n为定值，因此在本发明的实施例中，可以通过将第二区域的宽度调节为d，来调节第二像素组的视角范围。优选的，第二像素组的视角范围为：10°≤θ≤30°。
可选的，显示面板为有机发光二极管显示面板或液晶显示面板。如图1、图2所示，若显示面板为有机发光二极管显示面板，由于有机发光二极管显示面板发出的光不是偏振光，所以第一基板210远离液晶230的一侧形成有第一偏光片31，第二基板220远离液晶230的一侧形成有第二偏光片32，第一偏光片31和第二偏光片32的透光轴垂直。
若显示面板为液晶液晶显示面板，则如图5所示，液晶显示面板在远离视角调节面板20的一侧形成有第三偏光片33，第三偏光片33的透光轴与第一偏光片31的透光轴垂直。
另外，由于液晶显示面板不能发光，所以需要背光源才能实现显示，显示装置因此还包括背光源。背光源发出的光经第三偏光片形成偏振光进入液晶显示面板，再经过第一偏振片射出。
需要说明的是，本发明实施例中，使得偏光片的透光轴垂直的目的主要是能够实现透光和不透光的转换，而实际上对于不同的显示模式来说，透光轴的相对定向可以是不一样的，此处透光轴垂直只是针对常白模式。事实上，如果采用TN型液晶面板，则两个偏光片的透光轴也可以是互相平行的，在这种情况下，将获得常黑模式。
本发明实施例提供了一种显示装置的显示方法，包括：
步骤101，在该步骤中，驱动显示面板以显示图像。此时，显示面板可以是实现正常显示。
步骤102，在该步骤中，接收第一指令，控制视角调节面板使得第一区域和第二区域均透光；或者，接收第二指令，控制视角调节面板使得第一区域不透光，而第二区域透光。
可选的，视角调节面板为液晶面板，液晶面板的原理与液晶显示的原理相近，在第一电极和第二电极同时加载电压的情况下，第一电极和第二电极形成电场，使得驱动液晶发生偏转，以改变透光性。控制驱动器在接收到第一指令或第二指令之后，通过控制设置在视角调节面板上的第一电极和第二电极的电压信号使得第一区 域和第二区域分别透光，或者，使得第一区域不透光，而第二区域透光，以形成光栅。
以如图1所示的显示装置中的液晶光栅为常白模式为例，在第一电极211和第二电极221不加载电压的情况下，第一区域和第二区域均透光。向第一电极211和第二电极221分别加载电压，使得与第一区域21对应的液晶230在电场的驱动下，实现第一区域不透光；此时，由于第二区域22的液晶230不受电场的驱动，所以第二区域22透光，视角调节面板形成光栅。
再以图2所示的显示装置中液晶光栅为常白显示装置为例，在第一电极211和第二电极221不加载电压的情况下，第一区域和第二区域均透光。向第一电极211和第二电极221分别加载电压，使得与第一区域21对应的液晶230在电场的驱动下，实现第一区域不透光；与第二区域22对应的液晶230在电场的驱动下，实现第二区域22透光，从而视角调节面板形成光栅。
关于液晶光栅控制第一电极和第二电极的信号驱动，可以参照现有的液晶显示驱动，这里不作赘述。
优选的，显示面板包括交替布置的至少两个像素组，每个像素组包括至少一个像素，所述至少两个像素组中的相邻的两个像素组分别被称为第一像素组和第二像素组；驱动显示面板以显示图像具体为：
驱动第一像素组以显示第一图像，驱动第二像素组以显示第二图像。
显示面板能够实现双图像显示，例如第一图像可以是word文档，第二图像可以是视频。在双显示图像的第二状态下，可以使得用户看到word文档，周围人等看到视频画面。
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应以所述权利要求的保护范围为准。
附图标记：
10-显示面板；11-第一像素组；12-第二像素组；20-视角调节面板；21-第一区域；
22-第二区域；31-第一偏光片；32-第二偏光片；33-第三偏光片；210-第一基板；
211-第一电极；220-第二基板；221-第二电极；230-液晶。

Claims (10)

  1. 一种显示装置，包括：
    显示面板；
    设置在所述显示面板出光侧上的视角调节面板，所述视角调节面板包括至少一个条形的第一区域和至少一个条形的第二区域，所述第一区域和所述第二区域彼此交替布置；以及
    与所述视角调节面板连接的控制器件；所述控制器件用于在接收到第一指令时，控制所述视角调节面板使得第一区域和第二区域均透光；并且在接收到第二指令时，控制所述视角调节面板使得第一区域不透光，而第二区域透光。
  2. 根据权利要求1所述的显示装置，其中，所述视角调节面板为液晶面板。
  3. 根据权利要求2所述的显示装置，其中，所述液晶面板包括：第一基板、第二基板、分别位于所述第一基板和所述第二基板上的第一电极和第二电极、以及位于所述第一基板和所述第二基板之间的液晶；
    其中所述第一电极为条状电极，且对应于所述第一区域；并且所述第二电极为面状电极，且对应于所述第一区域和所述第二区域。
  4. 根据权利要求2所述的显示装置，其中，所述液晶面板包括：第一基板、第二基板、分别位于所述第一基板和所述第二基板上的第一电极和第二电极、以及位于所述第一基板和所述第二基板之间的液晶；
    其中所述第一电极包括多排单元电极，所述多排单元电极中的至少一排单元电极对应于所述第一区域；并且所述第二电极为面状电极，且对应于所述第一区域和所述第二区域。
  5. 根据权利要求1-4中任一项所述的显示装置，其中，所述显示面板包括交替布置的至少两个像素组，所述至少两个像素组中的每个像素组包括至少一个像素，其中相邻的两个像素组分别被称为第一像素组和第二像素组；所述第二区域对应于所述第二像素组，且所述第二区域的宽度小于所述第二像素组中各像素的宽度之和。
  6. 根据权利要求5所述的显示装置，其中，所述第一像素组包括两个像素，所述第二像素组包括一个像素。
  7. 根据权利要求5所述的显示装置，其中，所述第二像素组中各像素的宽度之和为L，所述第二区域的宽度为d，所述第一电极与所述显示面板出光侧的距离为H，所述第一电极形成在所述第一基板上，所述第一基板的透过率为n，第二像素组的视角范围为θ；所述显示装置满足以下关系：
    Figure PCTCN2015090696-appb-100001
  8. 根据权利要求7所述的显示装置，其中，所述主视角范围为：10°≤θ≤30°。
  9. 一种如权利要求1-8任一项所述的显示装置的显示方法，其中，包括：
    驱动显示面板以显示图像；
    接收第一指令，以控制所述视角调节面板使得所述第一区域和所述第二区域均透光；或者，
    接收第二指令，以控制所述视角调节面板使得所述第一区域不透光，而所述第二区域透光。
  10. 根据权利要求9所述的显示方法，其中，所述驱动显示面板以显示图像包括：驱动所述第一像素组以显示第一图像，并且驱动所述第二像素组以显示第二图像。
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