WO2014012328A1 - 三视角显示器 - Google Patents

三视角显示器 Download PDF

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Publication number
WO2014012328A1
WO2014012328A1 PCT/CN2012/086225 CN2012086225W WO2014012328A1 WO 2014012328 A1 WO2014012328 A1 WO 2014012328A1 CN 2012086225 W CN2012086225 W CN 2012086225W WO 2014012328 A1 WO2014012328 A1 WO 2014012328A1
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WIPO (PCT)
Prior art keywords
display
light
view
pixel areas
stripes
Prior art date
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Ceased
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PCT/CN2012/086225
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English (en)
French (fr)
Inventor
马晓峰
柳在健
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BOE Technology Group Co Ltd
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BOE Technology Group Co Ltd
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Priority to US14/126,924 priority Critical patent/US20140300712A1/en
Publication of WO2014012328A1 publication Critical patent/WO2014012328A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/349—Multi-view displays for displaying three or more geometrical viewpoints without viewer tracking
    • H04N13/351—Multi-view displays for displaying three or more geometrical viewpoints without viewer tracking for displaying simultaneously
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
    • G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
    • G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
    • G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
    • G02B30/30—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving parallax barriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
    • H04N13/31—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using parallax barriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2213/00—Details of stereoscopic systems
    • H04N2213/001—Constructional or mechanical details

Definitions

  • Embodiments of the invention relate to a three-view display. Background technique
  • Fig. 1 is a view showing an image display of a two-view liquid crystal display in the prior art.
  • the dual-view liquid crystal display mainly comprises a display panel 11 and a parallax barrier 12 disposed above the display panel 11.
  • the parallax barrier 12 is composed of alternating light-transmitting stripes and light-shielding stripes, and is a slit grating-like optical. Device.
  • the specific principle of the dual-view liquid crystal display is: an observer located in the left viewing zone B, through the light-transmissive stripe region on the parallax barrier 12, can see the pixels in the left-view pixel region 2 on the display panel 11;
  • the observer of the right-view area C located on the right side of the display panel 11 can see the pixels in the right-view pixel area 3 on the display panel 11 through the light-transmissive stripe area on the parallax barrier 12.
  • Different images can be separately input in the left-view pixel area 2 and the right-view pixel area 3 to display different contents, thereby forming a double-view effect.
  • the display panel 11 there are two left and right viewing zones, and an observer located in the two viewing zones can see the corresponding display content on the liquid crystal display panel 11, and the main body formed in front of the display panel 11 Viewing area A, when the observer is located there to view the display panel 11, since the light-transmitting stripe on the parallax barrier 12 simultaneously covers a part of the left-view pixel area 2 and the right-view pixel area 3, the observer can simultaneously view
  • the main viewing area A becomes a dizzy area, the viewing angle of the display panel 11 is lowered, the viewable area is made smaller, and the display efficiency is lowered.
  • Embodiments of the present invention provide a three-view display capable of improving viewing angle and display efficiency of a display panel.
  • Embodiments of the present invention provide a three-view display including a display panel and a parallax barrier located in front of the display panel, the parallax barrier including alternating light rays arranged in parallel with each other a stripe and a light-shielding stripe, wherein the display panel is provided with three pixel regions which are sequentially arranged in sequence, and the light-shielding stripe is located directly above the adjacent two pixel regions of the three pixel regions, and the light-shielding stripe The width is greater than a sum of widths of the adjacent two pixel regions, and the light transmissive stripes are located directly above one of the three pixel regions except the adjacent two pixel regions.
  • the distance H between the parallax barrier and the display panel may be in the range of ⁇ to 200 ⁇ .
  • the widths L of the three pixel regions may be equal, L is in the range of 20 ⁇ m to 500 ⁇ , and the width of the light transmissive stripes is less than L.
  • the width of the light-transmitting stripe may satisfy 10 (m ⁇ / ⁇ (L-5 m , where 100 ⁇ 200 ⁇ , 20 ⁇ 120 ⁇ ⁇
  • the widths of the three pixel regions may not be exactly equal, and the value ranges from 20 ⁇ m to 500 ⁇ m.
  • the width I of the light-transmitting stripe may satisfy: 100 ⁇ / ⁇ (1-5) ⁇ , where L1 is the width of the pixel region directly under the light-transmitting stripe, satisfying 100 ⁇ 1 ⁇ 200 ⁇ , and 20 ⁇ 120 ⁇ .
  • the widths of the edges of the adjacent two pixel regions extending from both ends of the light-shielding strip in the width direction may be equal.
  • each of the three pixel regions may include a black matrix to isolate image display regions of different pixel regions.
  • the three-view display may be a liquid crystal display, an OLED display, or an electronic paper display.
  • three sets of image display areas are disposed on the display panel, which increases the content that the display can simultaneously display, and improves the display efficiency of the display; and uses the parallax barrier to view the display area of the display.
  • the observers of each viewing area can clearly see the image displayed in the corresponding image display area, which is not interfered by the image displayed in other image display areas, and increases the visibility.
  • the area of the area improves the display quality.
  • FIG. 1 is a schematic diagram showing image display of a dual-view liquid crystal display in the prior art
  • FIG. 2 is a schematic diagram showing image display of a three-view liquid crystal display according to a first embodiment of the present invention
  • FIG. 3 is an optical path diagram of image display of a three-view liquid crystal display according to a second embodiment of the present invention
  • FIG. 2 is a view showing an image display of a three-view liquid crystal display according to the first embodiment, which may include a liquid crystal display panel 11 and a parallax barrier 12 located in front of the liquid crystal display panel 11.
  • the liquid crystal display panel 11 may be provided with three pixel regions arranged periodically, which are respectively defined as a main view pixel area 1, a left view pixel area 2 and a right view pixel area 3, wherein the main view pixel area 1 is a liquid crystal display panel 11
  • the image area on the liquid crystal display panel 11 that can be seen by the front viewer, and the left-view pixel area 2 is the image on the liquid crystal display panel 11 that can be seen by the viewer located in the viewing area on the left side with reference to the paper surface.
  • the area, the right-view pixel area 3 is an image area on the liquid crystal display panel 11 that can be seen by a viewer located in the viewing area on the right side with reference to the paper surface.
  • Each pixel area may include an image display area and a black matrix that isolates image display areas of different pixel areas.
  • the parallax barrier 12 may include light-transmitting stripes and light-shielding stripes alternately arranged in parallel with each other, and the light-shielding stripes may be located directly above any adjacent left-view pixel region 2 and right-view pixel region 3, and are opaque stripes
  • the width is greater than the sum of the widths of the adjacent left-view pixel area 2 and the right-view pixel area 3, and the widths of the left-view pixel area 2 and the right-view pixel area 3 may be equal in width at both ends of the light-shielding stripe in the width direction;
  • the light-transmitting stripe may be located directly above the main-view pixel region 1, and the width of the light-transmitting stripe is smaller than the width of the main-view pixel region 1, and the two ends of the light-transmitting stripe in the width direction are away from the main-view pixel region 1
  • the distance between the edges on both sides can be equal.
  • liquid crystal panel 11 described above may also be an OLED display panel or an electronic device. Replacement of paper display panels, etc.
  • the left-view pixel area 2 is removed due to the light-shielding stripe And the image display area of the right-view pixel area 3 is blocked, so that the observer of the main view area A located directly in front of the liquid crystal display panel 11 sees the image displayed by the main-view pixel area 1, and cannot see the left view.
  • the image displayed by the pixel area 2 and the right-view pixel area 3 is not affected by the image displayed by the left-view pixel area 2 and the right-view pixel area 3, thereby avoiding the occurrence of vertigo.
  • the width of the light-transmitting stripe is smaller than the width of the main-view pixel area 1, the viewer of the viewing area on the left or right side views the light emitted by the liquid crystal display panel 11 while viewing the liquid crystal display panel 11 with reference to the paper surface.
  • the light-transmitting area is inclined into the human eye, and within a certain angle range, in the left-view area B as shown in FIG. 2, the light-shielding stripe can be used to display the images displayed by the main-view pixel area 1 and the right-view pixel area 3 Covering, and only seeing the image displayed in the left-view pixel area 2, or, in another angle range, in the right-view area C as shown in FIG. 2, the shading stripe will be the main-view pixel area 1 and left.
  • the image displayed by the pixel area 2 is blocked, and only the image displayed by the right-view pixel area 3 can be seen.
  • observers located in the left-view area B and the right-view area C can see the same image; when the left-view pixel area 2 and the right-view pixel
  • observers located in the left view B and the right view C can see different images.
  • the main view pixel area 1, the left view pixel area 2, and the right view pixel area 3 can respectively provide specific image signals to meet the needs of different area observers.
  • the left view area B is a viewing area in which only the image displayed in the left-view pixel area 2 is seen
  • the right view area C is a viewing area in which only the image displayed in the right-view pixel area 3 can be seen.
  • the distance H between the liquid crystal display panel 11 and the parallax barrier 12 can be set within a range of ⁇ to 200 ⁇ m, which can be adjusted by controlling the width of the ⁇ and the light-transmitting stripes.
  • the width of the light-transmitting stripe is denoted by /, ⁇ is the left angle of view, that is, only the viewing angle range of the image displayed in the left-view pixel area 2 can be seen, and ⁇ is the right angle of view, that is, only the right-view pixel area 3 can be seen.
  • the range of values, ⁇ and ⁇ is in the range of 8. -82. between.
  • the ⁇ value is between 20 ⁇ and 120 ⁇
  • the L value is between 100 ⁇ and 200 ⁇
  • the principle of the three-view liquid crystal display according to the second embodiment is the same as that of the first embodiment, and its structure is similar to that of the first embodiment, and the difference is: main view pixel area 1, left view pixel area 2, and right
  • the widths of the pixel regions 3 are not completely equal.
  • “not exactly equal” means that at least two of the widths of the front view pixel area 1, the left view pixel area 2, and the right view pixel area 3 are different.
  • the main view pixel area 1 has a width of L1
  • the left view pixel area 2 has a width of L2
  • the right view pixel area 3 has a width of L3, and LI, L2, and L3 can range from 20 ⁇ m to 500 ⁇ m.
  • the light-transmitting stripe may be located directly above the main-view pixel area 1, and in order to prevent the image displayed by the left-view pixel area 2 and the right-view pixel area 3 from causing stun to the observer of the main-view area, the width of the light-transmitting stripe may be Set to less than Ll.
  • the left-view pixel area 2 and the right-view pixel area 3 may be located directly under the light-shielding stripe, and the width of the light-shielding stripe may be greater than the sum of the widths of the left-view pixel area 2 and the right-view pixel area 3 L2+L3.
  • the range of ⁇ and ⁇ may be between 8° and 82°.
  • the value of H is between 20 ⁇ m and 120 ⁇ m
  • the value of L1 is between ⁇ and 200 ⁇ , and 100 ⁇ ⁇ / ⁇ (1-5) ⁇
  • ⁇ and ⁇ are about 55.
  • the display has better brightness.
  • the three-view display has been described by taking a liquid crystal display as an example in the above embodiment, the three-view display may also be an OLED display, an electronic paper display, or other type of display.
  • the embodiment of the present invention provides three sets of image display areas on the display panel, which increases the content that can be simultaneously displayed by the display, improves the display efficiency of the display, and divides the viewing area of the display by using a parallax barrier.
  • the observers of the respective viewing areas can clearly see the image displayed in the corresponding image display area, which is not interfered by the image displayed by other image display areas, and is increased.
  • the area of the visible area improves the display quality.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

一种三视角显示器，包括显示面板（11）和位于显示面板（11）前方的视差挡板（12），该视差挡板（12）包括交替且彼此平行排列的透光条紋和遮光条紋，显示面板（11）上设置有依次周期性排列的三个像素区（1，2，3），遮光条紋位于相邻的两个像素区的正上方，且遮光条紋的宽度大于相邻的两个像素区的宽度之和。通过在显示面板（11）上设置三组图像显示区，增加了液晶显示器可同时显示的内容，提高显示器的显示效率；并且各个观看区域的观看者均能清晰地看到相应图像显示区显示的图像，不受其他图像显示区所显示图像的干扰，增加了可视区域的面积，提高了显示质量。

Description

三视角显示器 技术领域
本发明实施例涉及一种三视角显示器。 背景技术
随着平板显示器的广泛应用， 现有技术中出现了一种双视角显示器， 其 是在普通显示面板前方增加一层视差挡板来实现双画面显示。 图 1示出了现 有技术中的一种双视角液晶显示器的图像显示示意图。 该双视角液晶显示器 主要包括显示面板 11和设置在显示面板 11上方的视差挡板 12,视差挡板 12 由交替排列的透光条紋和遮光条紋组成， 是一种类似狭缝光栅的光学器件。 该双视角液晶显示器的具体原理为： 位于左视区 B的观察者， 透过视差挡板 12上的透光条紋区域， 能够看到显示面板 11上的左视像素区 2中的像素； 而位于显示面板 11右侧的右视区 C的观察者， 透过视差挡板 12上的透光条 紋区域， 能够看到显示面板 11上的右视像素区 3 中的像素。 左视像素区 2 和右视像素区 3中可以分别输入不同的图像以显示不同的内容， 从而形成双 视角的效果。
对于上述双视角液晶显示器， 具有左、 右两个视区， 位于该两个视区内 的观察者， 能够看到液晶显示面板 11上相应的显示内容， 而在显示面板 11 正前方形成的主视区 A, 当观察者位于该处观看显示面板 11时， 由于视差挡 板 12上的透光条紋同时覆盖了左视像素区 2和右视像素区 3的部分区域,观 察者能够同时看到两组显示内容， 使主视区 A变为眩晕区， 降低了显示面板 11的观看视角， 使其可观看区域变小， 显示效率降低。 发明内容
本发明实施例提供了一种三视角显示器， 能够提高显示面板的观看视角 和显示效率。
本发明实施例提供一种三视角显示器， 该三视角显示器包括显示面板和 位于显示面板前方的视差挡板， 该视差挡板包括交替且彼此平行排列的透光 条紋和遮光条紋， 其中显示面板上设置有依次周期性排列的三个像素区， 遮 光条紋位于所述三个像素区中相邻的两个像素区的正上方， 且遮光条紋的宽 度大于所述相邻的两个像素区的宽度之和， 透光条紋位于所述三个像素区中 除所述相邻的两个像素区之外的一个像素区的正上方。
在实施例中， 视差挡板与显示面板之间的距离 H可以在 Ιμπι至 200μπι 的范围内。
在实施例中，所述三个像素区的宽度 L可以均相等， L在 20μπι至 500μπι 的范围内， 所述透光条紋的宽度小于 L。
在实施例中， 透光条紋的宽度 / 可以满足 10( m≤/≤(L-5 m , 其中 100μπι<Ε<200μπι, 20μπι<Η<120μπιο
在实施例中， 所述三个像素区的宽度可以不完全相等， 其取值范围均在 20μπι至 500μπι之间。
在实施例中， 透光条紋的宽度 I可以满足： 100μπι≤/≤( 1-5)μπι, 其中 L1 为在透光条紋正下方的像素区的宽度， 满足 100μπι≤Ι^1≤200μπι , 并且 20μπι≤Η≤120μπι。
在实施例中， 遮光条紋沿宽度方向的两端延伸出所述相邻的两个像素区 的边缘的宽度可以相等。
在实施例中， 所述三个像素区的每个可以包括黑矩阵， 以将不同像素区 的图像显示区隔离开。
在实施例中， 三视角显示器可以为液晶显示器、 OLED显示器或者电子 纸显示器。
在本发明实施例所提供的三视角显示器中， 在显示面板上设置了三组图 像显示区， 增加了显示器可同时显示的内容， 提高显示器的显示效率； 利用 视差挡板将显示器的观看区域划分为左右视区和显示器正前方的主视区， 各 个观看区域的观察者均能清晰地看到相应图像显示区显示的图像， 不受其他 图像显示区所显示图像的干扰， 增加了可视区域的面积， 提高了显示质量。 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是现有技术中的双视角液晶显示器的图像显示示意图；
图 2是根据本发明第一实施例的三视角液晶显示器的图像显示示意图； 图 3是根据本发明第二实施例的三视角液晶显示器的图像显示的光路示
具体实施方式
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。
第一实施例
图 2示出根据第一实施例的三视角液晶显示器的图像显示示意图， 该三 视角液晶显示器可以包括液晶显示面板 11和位于液晶显示面板 11前方的视 差挡板 12。 液晶显示面板 11上可以设置有周期性排列的三个像素区， 分别 定义为主视像素区 1、左视像素区 2和右视像素区 3 ,其中主视像素区 1为液 晶显示面板 11正前方观看者所能看到的液晶显示面板 11上的图像区域， 左 视像素区 2是以纸面为参照， 位于左侧的观看区域的观看者所能看到的液晶 显示面板 11上的图像区域，右视像素区 3是以纸面为参照，位于右侧的观看 区域的观看者所能看到的液晶显示面板 11上的图像区域。每个像素区可以包 括图像显示区和黑矩阵， 黑矩阵将不同像素区的图像显示区隔离开。 视差挡 板 12可以包括交替且彼此平行排列的透光条紋和遮光条紋，遮光条紋可以位 于任意相邻的左视像素区 2和右视像素区 3的正上方， 并且遮光条紋的宽度 大于相邻的左视像素区 2和右视像素区 3的宽度之和， 遮光条紋沿宽度方向 的两端延伸出左视像素区 2边缘和右视像素区 3边缘的宽度可以相等； 相应 地， 透光条紋可以位于主视像素区 1的正上方， 且透光条紋的宽度小于主视 像素区 1的宽度， 透光条紋沿宽度方向的两端距离主视像素区 1两侧边缘的 距离可以相等。
需要说明的是， 上述的液晶面板 11也可以由 OLED显示面板或者电子 纸显示面板等替换。
根据上述结构设置， 因遮光条紋位于任意相邻的左视像素区 2和右视像 素区 3的正上方， 当从液晶显示面板 11正前方观看时， 由于遮光条紋将左视 像素区 2和右视像素区 3 的图像显示区均遮挡住， 使位于液晶显示面板 11 正前方的主视区 A的观察者， 只看到主视像素区 1所显示的图像， 而无法看 到左视像素区 2和右视像素区 3所显示图像， 从而不受左视像素区 2和右视 像素区 3所显示图像的影响， 避免眩晕的产生。 因透光条紋的宽度小于主视 像素区 1的宽度， 以纸面为参照， 位于左侧或右侧的观看区域的观看者在观 看液晶显示面板 11时， 液晶显示面板 11发出的光线经过透光区域倾斜进入 人眼， 在某个角度范围内， 如图 2所示的左视区 B内， 即能实现遮光条紋将 主视像素区 1和右视像素区 3所显示的图像都遮住， 而只能看到左视像素区 2显示的图像， 或者， 在另一个角度范围内， 如图 2所示的右视区 C内， 实 现遮光条紋将主视像素区 1和左视像素区 2所显示的图像都遮住， 而只能看 到右视像素区 3显示的图像。 当左视像素区 2和右视像素区 3中输入相同的 图像信号时，位于左视区 B和右视区 C的观察者能够看到相同的图像； 当左 视像素区 2和右视像素区 3中输入不同的图像信号时，位于左视区 B和右视 区 C的观察者能够看到不同的图像。 根据实际显示的需要， 主视像素区 1、 左视像素区 2和右视像素区 3可以分别提供特定的图像信号， 以满足不同区 域观察者的需要。左视区 B为只能看到左视像素区 2所显示图像的观看区域， 右视区 C为只能看到右视像素区 3所显示图像的观看区域。
本实施例中，为了控制液晶显示器的厚度，液晶显示面板 11和视差挡板 12之间的距离 H可以设置在 Ιμπι至 200μπι的范围内，通过控制 Η和透光条 紋的宽度的大小可以调节主视角和左右视角的大小。 在图 2中， 主视像素区 1、左视像素区 2和右视像素区 3的宽度均相等，记为 L, L在 20μπι至 500μπι 之间， 以实现图像显示的连续性。 透光条紋的宽度记为 /, α为左视角， 即只 能看到左视像素区 2内显示图像的观看角度范围， β为右视角， 即只能看到 右视像素区 3内显示图像的观看角度范围。 如图 3所示， 根据图 3中所示的 图像显示的光路示意图，能够得知 oH3=arctg(H/(L- /))-arctg(H/(L+ /)),根据 H 和 L的取值范围， α与 β的范围在 8。-82。之间。例如， 当 Η=200μπι, L=2(^m, I =15μπι时， α与 β为 8°; 当 Η=69μπι, L=50(^m, I =495 μπι时， α与 β为 82°; 当 Η=96μπι, Ε=100μπι, / =95μπι时， α与 β为 60°; 当 Η=1μπι, L=2(^m, /=15μπι时， α与 β为 9.7°。
为了提高左视区 Β 和右视区 C 的视角范围， 优选地， Η 取值在 20μπι-120μπι之间， L取值在 100μπι-200μπι之间， 且 10( m≤/≤(L-5 m, 此 时能够获得较好的左、 右视角范围， α、 β约在 55。-78。之间， 并且在该视角 范围内， 显示器具有较好的亮度。 上述左、 右视角范围的获得条件具体为： 当 Η=115μπι, L=19(^m, /=155μπι时， α与 β为 55°; 当 Η=44μπι, Ε=200μπι, /=195μπι时， α与 β为 78°; 当 Η=60μπι, L=16(^m, /=150μπι时， α与 β为 70ο。
第二实施例
根据第二实施例的三视角液晶显示器的原理与第一实施例相同， 其结构 与第一实施例的显示器结构相似， 其区别之处在于： 主视像素区 1、 左视像 素区 2和右视像素区 3的宽度不完全相等， 此处所说的 "不完全相等" 是指 主视像素区 1、左视像素区 2和右视像素区 3的宽度当中至少有两个不相同。 主视像素区 1宽度为 L1,左视像素区 2宽度为 L2,右视像素区 3宽度为 L3, LI、 L2和 L3的取值范围可以均在 20μπι至 500μπι之间。 透光条紋可以位于 主视像素区 1正上方， 并且为了避免左视像素区 2和右视像素区 3所显示的 图像对主视区 Α的观察者造成眩晕， 透光条紋的宽度可以设置为小于 Ll。 左视像素区 2和右视像素区 3可以位于遮光条紋的正下方， 并且遮光条紋的 宽度可以大于左视像素区 2和右视像素区 3的宽度之和 L2+L3。
根据图 3所示的光路原理， 左视角 α和右视角 β分别为 a=arctg(H/(Ll- /))-arctg(H/(L2+ /)), P=arctg(H/(Ll- /))-arctg(H/(L3+ /))。 根据 H、 Ll、 L2和 L3的取值范围， α与 β的范围可以在 8°至 82°之间。例如，当 Η=5μπι, Ll=35 m, L2=4(^m, Ι =45μπι, /=15μπι时， α为 8.8。， β为 8。；或者，例如， 当 Η=5μπι, =35μπι, Ι^2=45μπι, Ι =40μπι, /=15μηι时， α为 8°, β为 8.8°。 当 Η=65μπι, Ll=495 m, L2=49(^m, Ι =400μπι, /=490μπι时， α为 82。， β为 81。； 或者， 例如， 当 Η=85μπι, =495μπι, L2=40(^m, Ι =490μπι, /=490μπι时， α为 81。， β为 82。。 当 Η=45μπι, Ll=20(^m, L2=19(^m, Ι =160μπι, /=180时， α为 59。，β为 58。；或者，例如，当 H=77 m,Ll=20( m,L2=16( m,L3=19( m, /=180μπι时， α为 63°, β为 64°。 为了提高左视区 B和右视区 C的视角范围， 优选地， H取值在 20μπι至 120μπι之间， L1取值在 ΙΟΟμπι至 200μπι之间， 且 100μπι≤/≤( 1-5)μπι, 此时 能够获得较好的左、 右视角范围， α、 β约在 55。至 78。之间， 并且在该视角 范围内，显示器具有较好的亮度。例如， 当 Η=50μπι, Ll=19(^m, L2=17(^m, Ι =185μπι, / =165μπι时， α为 55。， β为 55.3。； 或者， 例如当 Η=50μπι, Ll=19(^m, L2=185 m, Ι =170μπι, / =165μπι时， α为 55.3。， β为 55。。 例 如， 当 Η=45μπι, Ll=20( m, Ι^=190μηι, Ι =195μπι, / =195μπι时， α为 77。， β为 77。； 或者， 例如当 Η=50μπι, Ll=20(^m, L2=195 m, Ι =190μπι, / =195μπι时， α为 77。， β为 77。。例如，当 Η=200μπι, Ll=18(^m, L2=18(^m, Ι =160μπι, / =160μπι时， α为 54。， β为 54。； 或者， 例如当 Η=200μπι, Ll=18(^m, L2=16(^m, Ι =180μπι, / =160μπι时， α为 52。， β为 54。。
尽管在以上实施例中以液晶显示器为例对三视角显示器进行了说明， 但 是三视角显示器还可以是 OLED显示器、电子纸显示器或其他类型的显示器。
由以上实施例可以看出， 本发明实施例在显示面板上设置了三组图像显 示区， 增加了显示器可同时显示的内容， 提高显示器的显示效率； 利用视差 挡板将显示器的观看区域划分为左视区和右视区以及显示器正前方的主视 区， 各个观看区域的观察者均能清晰地看到相应图像显示区显示的图像， 不 受其他图像显示区所显示图像的干扰， 增加了可视区域的面积， 提高了显示 质量。
以上所述仅是本发明的示范性实施方式， 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。

Claims

权利要求书
1、一种三视角显示器， 包括显示面板和位于所述显示面板前方的视差挡 板， 所述视差挡板包括交替且彼此平行排列的透光条紋和遮光条紋， 其中所 述显示面板上设置有依次周期性排列的三个像素区， 所述遮光条紋位于所述 三个像素区中相邻的两个像素区的正上方， 且所述遮光条紋的宽度大于所述 相邻的两个像素区的宽度之和， 所述透光条紋位于所述三个像素区中除所述 相邻的两个像素区之外的一个像素区的正上方。
2、如权利要求 1所述的三视角显示器，其中所述视差挡板与所述显示面 板之间的距离 H在 Ιμπι至 200μπι的范围内。
3、如权利要求 1-2中任一项所述的三视角显示器， 其中所述三个像素区 的宽度 L均相等， L在 20μπι至 500μπι的范围内， 所述透光条紋的宽度小于 L。
4、 如权利要求 3所述的三视角显示器， 其中所述透光条紋的宽度 /满足 ΙΟΟμπι < / < (L-5) μπι, 其中 ΙΟΟμπι < L < 200μπι, 并且所述视差挡板与所述显 示面板之间的距离 Η满足 20μπι < Η < 120μπι。
5、如权利要求 1-2中任一项所述的三视角显示器， 其中所述三个像素区 的宽度不完全相等， 其取值范围均在 20μηι至 500μπι之间。
6、如权利要求 5所述的三视角显示器，其中所述透光条紋的宽度 /满足： 100μπι < / < (Ε1-5)μπι, 其中 L1 为在所述透光条紋正下方的像素区的宽度， 满足 ΙΟΟμπι < L1 < 200μπι, 并且所述视差挡板与所述显示面板之间的距离 Η 满足 20μπι Η 120μπι。
7、如权利要求 1-6中任一项所述的三视角显示器， 其中所述遮光条紋沿 宽度方向的两端延伸出所述相邻的两个像素区的边缘的宽度相等。
8、如权利要求 1-7中任一项所述的三视角显示器， 其中所述三个像素区 的每个包括黑矩阵， 以将不同像素区的图像显示区隔离开。
9、如权利要求 1-8中任一项所述的三视角显示器， 其中所述三视角显示 器为液晶显示器、 OLED显示器或者电子纸显示器。
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