CN105489188A - 一种显示装置、显示系统和显示方法 - Google Patents

一种显示装置、显示系统和显示方法 Download PDF

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CN105489188A
CN105489188A CN201610056674.2A CN201610056674A CN105489188A CN 105489188 A CN105489188 A CN 105489188A CN 201610056674 A CN201610056674 A CN 201610056674A CN 105489188 A CN105489188 A CN 105489188A
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China
Prior art keywords
display
light
display panel
display device
section
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CN201610056674.2A
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张春兵
展先娟
赖意强
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BOE Technology Group Co Ltd
Beijing BOE Display Technology Co Ltd
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BOE Technology Group Co Ltd
Beijing BOE Display Technology Co Ltd
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Priority to CN201610056674.2A priority Critical patent/CN105489188A/zh
Publication of CN105489188A publication Critical patent/CN105489188A/zh
Priority to US15/245,950 priority patent/US10140915B2/en
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    • 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
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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
    • 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]
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    • 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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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

本发明提供一种显示装置、显示系统和显示方法，所述显示装置包括：驱动电路、显示面板以及位于所述显示面板的显示侧的干扰器件；所述驱动电路用于为所述显示面板提供显示画面，其中，每一帧显示画面时间分为显示时间段和干扰时间段；在所述显示时间段，所述干扰器件呈透光状态，使得所述显示面板的光线正常透出；在所述干扰时间段，所述干扰器件呈干扰状态，对所述显示面板的光线形成干扰。通过佩戴一快门眼镜，可滤除显示装置的干扰信号，实现正常观看显示画面，而未佩戴快门眼镜的人，则无法观看到正常的显示画面，实现防偷窥的目的。

Description

一种显示装置、显示系统和显示方法
技术领域
本发明涉及显示技术领域，尤其涉及一种能够防偷窥的显示装置、显示系统和显示方法。
背景技术
显示装置的应用范围越来越广泛，例如台式电脑、笔记本型计算机、手机、数码相机等，而在使用显示装置时，如何防止显示于显示装置上的显示信息不被其他人偷窥，是一个值得关注的问题，尤其是对于一些需要查看机密信息的特殊行业。
发明内容
有鉴于此，本发明提供一种显示装置、显示系统和显示方法，用以防止显示于显示装置上的显示信息被偷窥。
为解决上述技术问题，本发明提供一种显示装置，包括：驱动电路、显示面板以及位于所述显示面板的显示侧的干扰器件；
所述驱动电路用于为所述显示面板提供显示画面，其中，每一帧显示画面时间分为显示时间段和干扰时间段；
在所述显示时间段，所述干扰器件呈透光状态，使得所述显示面板的光线正常透出；在所述干扰时间段，所述干扰器件呈干扰状态，对所述显示面板的光线形成干扰。
优选地，所述干扰器件包括一前光源；
在所述显示时间段，所述前光源关闭呈透光状态，在所述干扰时间段，所述前光源开启发光呈干扰状态。
优选地，所述前光源为透明的白光有机发光二极管基板。
优选地，所述干扰器件包括一光阀；
在所述显示时间段，所述光阀打开呈透光状态，在所述干扰时间段，所述光阀关闭呈干扰状态。
优选地，所述光阀为液晶光阀或电致变色器件。
优选地，所述显示面板为液晶显示面板，所述显示装置还包括背光源；
在所述显示时间段，所述背光源开启，在所述干扰时间段，所述背光源关闭或开启。
优选地，所述显示面板为有机发光二极管显示面板。
本发明还提供一种显示系统，包括：显示装置和快门眼镜，所述显示装置为上述显示装置；
其中，在所述显示时间段，所述快门眼镜处于透光状态；在所述干扰时间段，所述快门眼镜处于遮光状态。
优选地，所述快门眼镜包括：第一通信模块；
所述显示装置包括：第二通信模块，用于与所述第一通信部件通信；以及同步模块，用于使得所述干扰器件呈透光状态和干扰状态的频率与所述快门眼镜的透光状态和遮光状态同步。
本发明还提供一种显示方法，包括：
为显示面板提供显示画面，其中，每一帧显示画面时间分为显示时间段和干扰时间段；在所述显示时间段，位于所述显示面板的显示侧的干扰器件呈透光状态，使得所述显示面板的光线正常透出；在所述干扰时间段，所述干扰器件呈干扰状态，对所述显示面板的光线形成干扰。
本发明的上述技术方案的有益效果如下：
本发明实施例中，将每一帧显示画面时间分为显示时间段和干扰时间段；在所述显示时间段，位于显示面板的显示侧的干扰器件呈透光状态，使得显示面板的光线正常透出；在干扰时间段，干扰器件呈干扰状态，对显示面板的光线形成干扰。通过佩戴一快门眼镜，可滤除显示装置的干扰信号，实现正常观看显示画面，而未佩戴快门眼镜的人，则无法观看到正常的显示画面，实现防偷窥的目的。
附图说明
图1为本发明实施例一的显示装置的结构示意图；
图2为本发明实施例的一帧显示画面的时间段的划分示意图；
图3为本发明实施例二的显示装置的结构示意图；
图4为本发明实施例三的显示装置中的液晶光阀呈透光状态时的示意图；
图5为本发明实施例三的显示装置中的液晶光阀呈干扰状态时的示意图；
图6为本发明实施例四的显示装置的结构示意图；
图7为本发明实施例的显示系统的结构示意图。
附图标记说明：
101驱动电路；102显示面板；103干扰器件；1031前光源；1032光阀；104第一控制器；105第二控制器；106第三控制器；107背光源；200快门眼镜。
具体实施方式
下面将结合附图和实施例，对本发明的具体实施方式作进一步详细描述。以下实施例用于说明本发明，但不用来限制本发明的范围。
请参考图1，图1为本发明实施例一的显示装置的结构示意图，所述显示装置包括：驱动电路101、显示面板102以及位于所述显示面板103的显示侧的干扰器件103；
所述驱动电路101用于为所述显示面板102提供显示画面，其中，每一帧显示画面时间分为显示时间段和干扰时间段；
在所述显示时间段，所述干扰器件103呈透光状态，使得所述显示面板102的光线正常透出；在所述干扰时间段，所述干扰器件103呈干扰状态，对所述显示面板102的光线形成干扰。
请参考图2，图2为本发明实施例的一帧显示画面的时间段的划分示意图，其中，N为任意正整数。从图2中可以看出，每一帧显示画面的时间被划分为显示时间段和干扰时间段，显示时间段在前，干扰时间段在后，且所有帧显示画面的显示时间段的时长相同，干扰时间段的时长也相同。当然，上述时间段的划分仅为一种具体实施方式，在本发明的其他一些实施例中，一帧显示画面的时间段中，也可以干扰时间段在前，显示时间段在后。
所述干扰器件103位于所述显示面板102的显示侧，用于透过显示面板102的光线或者干扰显示面板102的光线。所谓显示面板102的显示侧，是指显示面板102显示画面的一侧，也即面向观看者的一侧。
上述显示装置可与一快门眼镜配合，在显示时间段，所述干扰器件103呈透光状态，使得所述显示面板102的光线正常透出，快门眼镜处于透光状态，从而所述快门眼镜的佩戴者可以观看到显示画面。在所述干扰时间段，所述干扰器件103呈干扰状态，对所述显示面板102的光线形成干扰，快门眼镜处于遮光状态，从而不会对快门眼镜的佩戴者造成影响，而，未佩戴所述快门眼镜的其他人，则会被干扰器件103干扰，看不到正常的显示画面，从而可以防止显示画面被偷窥。
上述干扰器件103可以为多种类型的干扰器件，下面举例进行说明。
在本发明的一优选实施例中，所述干扰器件103可以包括一前光源；在所述显示时间段，所述前光源关闭呈透光状态，使得所述显示面板102的光线正常透出，在所述干扰时间段，所述前光源开启发光呈干扰状态，对所述显示面板102的光线形成干扰。
优选地，请参考图3，所述前光源1031可以为透明的白光有机发光二极管基板。所述白光有机发光二极管基板可以在不加电时，呈透光状态(即透明状态)，在加电后发白光呈干扰状态。
当然，所述前光源1031还可以为透明的其他色光的有机发光二极管基板，所述有机发光二极管基板在不加电时，呈透光状态，在加电后发光呈发光干扰状态，所发光线不限于红色、蓝色、绿色、黄色等各种类型的单色光。
本发明实施例中的有机发光二极管基板的像素与显示面板的像素的对应关系可以为一对一，多对一，或者，一对多。
优选地，本发明实施例的显示装置还可以包括一第一控制器104，用于在所述显示时间段，对所述前光源1031断电，使得所述前光源1031关闭呈透光状态，在所述干扰时间段，对所述前光源1031加电，使得所述前光源1031开启发光呈干扰状态。
本发明实施例的显示装置可与一快门眼镜配合，在显示时间段，所述前光源1031呈透光状态，使得所述显示面板102的光线正常透出，快门眼镜处于透光状态，从而所述快门眼镜的佩戴者可以观看到显示画面。在所述干扰时间段，所述前光源1031发光呈干扰状态，对所述显示面板102的光线形成干扰，快门眼镜处于遮光状态，从而不会对快门眼镜的佩戴者造成影响，而，未佩戴所述快门眼镜的其他人，看到显示装置时就像看到一盏灯，无法看到显示画面，从而可以防止显示画面被偷窥。
在本发明的另一优选实施例中，所述干扰器件103可以包括一光阀；在所述显示时间段，所述光阀打开呈透光状态，使得所述显示面板102的光线正常透出；在所述干扰时间段，所述光阀关闭呈干扰状态，对所述显示面板102的光线形成干扰。
请参考图4和图5，图4和图5所示的实施例中，所述光阀1032为液晶光阀，在所述显示时间段，所述液晶光阀打开呈透光状态，使得所述显示面板102的光线正常透出；在所述干扰时间段，所述液晶光阀关闭呈干扰状态，遮挡所述显示面板102的光线。
所述光阀还可以为电致变色器件，优选地，在不加电时，所述电致变色器件呈透光状态，使得所述显示面板102的光线正常透出；在加电后，呈黑色，或其他颜色，从而遮挡所述显示面板102的光线。
当然，本发明实施例的光阀也可以为其他类型的光阀，在此不再一一举例说明。
优选地，本发明实施例中的显示装置还可以包括一第二控制器105，用于在所述显示时间段，控制所述光阀1032打开呈透光状态，在所述干扰时间段，控制所述光阀1032关闭呈干扰状态。
本发明实施例的显示装置可与一快门眼镜配合，在显示时间段，所述光阀1032呈透光状态，使得所述显示面板102的光线正常透出，快门眼镜处于透光状态，从而所述快门眼镜的佩戴者可以观看到显示画面。在所述干扰时间段，所述光阀1032关闭呈干扰状态，遮挡所述显示面板102的光线，快门眼镜处于遮光状态，从而不会对快门眼镜的佩戴者造成影响，而，未佩戴所述快门眼镜的其他人，看到的显示装置为黑屏或者其他颜色的屏幕，无法看到正常的显示画面，从而可以防止显示画面被偷窥。
此外，本发明实施例的干扰器件103除了为透明的有机发光二极管基板和光阀之外，也可以为其他类型的结构，例如，机械结构的干扰器件，光学结构的干扰器件等，在此也不再一一举例说明。
上述实施例中的显示面板可以为液晶显示面板，也可以为有机发光二极管显示面板，或者其他类型的显示面板。
当所述显示面板为液晶显示面板时，请参考图6，本发明实施例的显示装置还包括背光源106；在所述显示时间段，所述背光源106开启，在所述干扰时间段，所述背光源106关闭或开启。
其中，在所述干扰时间段，所述背光源106关闭的优点在于，可以节省能耗。而，在所述干扰时间段，所述背光源106开启的优点在于，避免背光源106频繁开关，影响寿命。
当在所述干扰时间段，所述背光源106关闭的实施例中，所述显示装置还可以包括一第三控制器107，在所述显示时间段，控制所述背光源106开启，在所述干扰时间段，控制所述背光源106关闭。
优选地，所述背光源106也可以为白光有机发光二极管基板，从而节省能耗。
上述实施例中的第一控制器104(或第二控制器105)可以与第三控制器106集成在同一控制器中，且还可以与驱动电路集成在同一PCB板(印刷电路板)上。
优选地，本发明实施例中的显示装置包括两种显示模式，一种显示模式为正常显示模式，一种显示模式为防偷窥显示模式，此外，所述显示装置还可以包括：显示模式切换模块，用于将显示装置在正常显示模式和防偷窥显示模式之间切换，在防偷窥显示模式时，所述驱动电路101用于为所述显示面板102提供显示画面，其中，每一帧显示画面时间分为显示时间段和干扰时间段；在正常显示模式时，所述驱动电路101用于为所述显示面板102提供正常显示画面，其中，每一帧显示画面时间均为显示时间。
请参考图7，本发明实施例还提供一种显示系统，所述显示系统包括：显示装置100和快门眼镜200，所述显示装置为上述任一实施例所述的显示装置，包括：驱动电路101、显示面板102以及位于所述显示面板103的显示侧的干扰器件103；所述驱动电路101用于为所述显示面板102提供显示画面，其中，每一帧显示画面时间分为显示时间段和干扰时间段；在所述显示时间段，所述干扰器件103呈透光状态，使得所述显示面板102的光线正常透出，所述快门眼镜200处于透光状态；在所述干扰时间段，所述干扰器件103呈干扰状态，对所述显示面板102的光线形成干扰，所述快门眼镜200处于遮光状态，滤除干扰信号达到正常观看显示画面的目的。
本发明实施例中的快门眼镜200为两镜片式快门眼镜，在所述显示时间段，所述快门眼镜200的左右镜片均处于透光状态；在所述干扰时间段，所述快门眼镜200的左右镜片均处于遮光状态。
在本发明的其他一些实施例中，快门眼镜也可以为一镜片式快门眼镜，在所述显示时间段，所述快门眼镜200的镜片处于透光状态；在所述干扰时间段，所述快门眼镜200的镜片处于遮光状态。
本发明实施例中的快门眼镜的镜片可以为液晶光阀等类型的镜片。
可以理解的是，所述干扰器件103呈透光状态和干扰状态的频率需要与所述快门眼镜200的透光状态和遮光状态同步，即在干扰器件103呈透光状态的同时，所述快门眼镜200需要呈开启状态，在所述干扰器件103呈干扰状态的同时，所述快门眼镜需要呈关闭状态。
基于此，优选地，本发明实施例中的显示装置和快门眼镜需要通信，并进行同步。
在本发明的一实施例中，所述快门眼镜200包括：第一通信模块；所述显示装置100包括：第二通信模块，用于与所述第一通信部件通信；以及同步模块，用于使得所述干扰器件呈透光状态和干扰状态的频率与所述快门眼镜的透光状态和遮光状态同步。
所述显示装置100与所述快门眼镜200可以通过有线或无线方式通信。
本发明实施例还提供一种显示方法，包括：为显示面板提供显示画面，其中，每一帧显示画面时间分为显示时间段和干扰时间段；在所述显示时间段，位于所述显示面板的显示侧的干扰器件呈透光状态，使得所述显示面板的光线正常透出；在所述干扰时间段，所述干扰器件呈干扰状态，对所述显示面板的光线形成干扰。
以上所述是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明所述原理的前提下，还可以作出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。

Claims (10)

1.一种显示装置，其特征在于，包括：驱动电路、显示面板以及位于所述显示面板的显示侧的干扰器件；
所述驱动电路用于为所述显示面板提供显示画面，其中，每一帧显示画面时间分为显示时间段和干扰时间段；
在所述显示时间段，所述干扰器件呈透光状态，使得所述显示面板的光线正常透出；在所述干扰时间段，所述干扰器件呈干扰状态，对所述显示面板的光线形成干扰。
2.根据权利要求1所述的显示装置，其特征在于，所述干扰器件包括一前光源；
在所述显示时间段，所述前光源关闭呈透光状态，在所述干扰时间段，所述前光源开启发光呈干扰状态。
3.根据权利要求2所述的显示装置，其特征在于，所述前光源为透明的白光有机发光二极管基板。
4.根据权利要求1所述的显示装置，其特征在于，所述干扰器件包括一光阀；
在所述显示时间段，所述光阀打开呈透光状态，在所述干扰时间段，所述光阀关闭呈干扰状态。
5.根据权利要求4所述的显示装置，其特征在于，所述光阀为液晶光阀或电致变色器件。
6.根据权利要求1所述的显示装置，其特征在于，所述显示面板为液晶显示面板，所述显示装置还包括背光源；
在所述显示时间段，所述背光源开启，在所述干扰时间段，所述背光源关闭或开启。
7.根据权利要求1所述的显示装置，其特征在于，所述显示面板为有机发光二极管显示面板。
8.一种显示系统，其特征在于，包括：显示装置和快门眼镜，所述显示装置为权利要求1-7任一项所述的显示装置；
其中，在所述显示时间段，所述快门眼镜处于透光状态；在所述干扰时间段，所述快门眼镜处于遮光状态。
9.根据权利要求8所述的显示系统，其特征在于，
所述快门眼镜包括：第一通信模块；
所述显示装置包括：第二通信模块，用于与所述第一通信部件通信；以及同步模块，用于使得所述干扰器件呈透光状态和干扰状态的频率与所述快门眼镜的透光状态和遮光状态同步。
10.一种显示方法，其特征在于，包括：
为显示面板提供显示画面，其中，每一帧显示画面时间分为显示时间段和干扰时间段；在所述显示时间段，位于所述显示面板的显示侧的干扰器件呈透光状态，使得所述显示面板的光线正常透出；在所述干扰时间段，所述干扰器件呈干扰状态，对所述显示面板的光线形成干扰。
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