WO2020088107A1 - 光学显示系统、ar显示装置及vr显示装置 - Google Patents
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- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
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- 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
- G02B30/22—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 stereoscopic type
- G02B30/25—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 stereoscopic type using polarisation techniques
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- 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
- G02F1/133528—Polarisers
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- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/388—Volumetric displays, i.e. systems where the image is built up from picture elements distributed through a volume
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- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0132—Head-up displays characterised by optical features comprising binocular systems
- G02B2027/0134—Head-up displays characterised by optical features comprising binocular systems of stereoscopic type
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- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0132—Head-up displays characterised by optical features comprising binocular systems
- G02B2027/0136—Head-up displays characterised by optical features comprising binocular systems with a single image source for both eyes
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- G02—OPTICS
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- 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
- G02F1/29—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 position or the direction of light beams, i.e. deflection
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Abstract
Description
Claims (19)
- 一种光学显示系统,包括:显示屏幕;第一光学结构,设置在所述显示屏幕的出光侧,被配置为将来自所述显示屏幕的光线分成不同类型的偏振光;和第二光学结构,设置在所述不同类型的偏振光到成像侧的出射路径上,被配置为形成对应至少两种焦距的多个虚像平面。
- 根据权利要求1所述的光学显示系统,其中,所述显示屏幕包括第一区域和第二区域,所述第一光学结构被配置为将来自所述第一区域的光线转换为第一类型的偏振光,并将来自所述第二区域的光线转换为第二类型的偏振光。
- 根据权利要求2所述的光学显示系统,其中,所述第一光学结构包括:第一偏振器件,设置在所述第一区域的出光侧,被配置为将来自所述第一区域的光线转换为所述第一类型的偏振光;和第二偏振器件,设置在所述第二区域的出光侧,被配置为将来自所述第二区域的光线转换为所述第二类型的偏振光。
- 根据权利要求2所述的光学显示系统,其中,所述第一区域和所述第二区域沿所述显示屏幕所在平面内的至少一个方向间隔排布。
- 根据权利要求2所述的光学显示系统,其中,所述第一类型的偏振光为P偏振光,所述第二类型的偏振光为S偏振光,或者所述第一类型的偏振光为S偏振光,所述第二类型的偏振光为P偏振光。
- 根据权利要求2所述的光学显示系统,还包括:光路调整结构,被配置为分别对所述第一类型的偏振光和所述第二类型的偏振光的光路进行调整,以使所述第一类型的偏振光和所述第二类型的偏振光入射到相对于所述显示屏幕呈预设角度的成像侧。
- 根据权利要求6所述的光学显示系统,其中,所述光路调整结构包括:第三光学结构,设置在所述第一光学结构远离所述显示屏幕一侧的出光侧,被配置为将经所述第一光学结构分离的所述第一类型的偏振光反射到成像侧,并透射经所述第一光学结构分离的所述第二类型的偏振光;第四光学结构,设置在所述第三光学结构远离所述第一光学结构的一侧,被配置 为反射经所述第三光学结构透射的所述第二类型的偏振光;和第五光学结构,设置在所述第四光学结构远离成像侧的一侧,被配置为将所述第四光学结构反射的所述第二类型的偏振光转换为所述第一类型的偏振光,并反射回所述第四光学结构;其中,所述第四光学结构还被配置为将经所述第五光学结构反射的所述第一类型的偏振光透射到成像侧。
- 根据权利要求7所述的光学显示系统,其中,所述第三光学结构和所述第四光学结构均包括偏振分光元件。
- 根据权利要求7所述的光学显示系统,其中,所述第五光学结构包括以下之一:第一反射镜,用于对来自所述第一反射镜靠近所述第四光学结构的一侧的光线和远离所述第四光学结构的一侧的光线均进行反射;或者第二反射镜,用于对来自所述第二反射镜靠近所述第四光学结构的一侧的光线进行反射,并对来自所述第二反射镜远离所述第四光学结构的一侧的光线进行透射。
- 根据权利要求7所述的光学显示系统,其中,所述第五光学结构靠近所述第四光学结构一侧的表面包括凹面反射镜。
- 根据权利要求7所述的光学显示系统,其中,所述第二光学结构位于以下位置至少之一:所述第一光学结构和所述第三光学结构之间,所述第四光学结构透射的所述第一类型的偏振光的出射侧,或者所述第三光学结构反射的所述第一类型的偏振光的出射侧。
- 根据权利要求1~11任一所述的光学显示系统,其中,所述第一光学结构包括位于所述显示屏幕的出光侧的偏振片或偏振膜。
- 根据权利要求1~11任一所述的光学显示系统,其中,所述第二光学结构包括设置在所述不同类型的偏振光到成像侧的出射路径的多个光学透镜或多个液晶透镜中的至少一种,所述多个光学透镜中每种类型的偏振光所经过的光学透镜的焦距不同,所述多个液晶透镜中每种类型的偏振光所经过的液晶透镜的焦距不同。
- 根据权利要求1~11任一所述的光学显示系统,其中,所述第二光学结构包括焦距可调的液晶透镜,所述光学显示系统还包括:瞳孔跟踪装置,被配置为跟踪观看者的瞳孔的注视位置,以根据所述注视位置对 应的虚像平面调整所述液晶透镜的焦距。
- 根据权利要求3所述的光学显示系统,其中,所述第一区域和所述第二区域沿所述显示屏幕所在平面内的两个相互正交的方向分别间隔排布,所述光学显示系统还包括:第三光学结构、第四光学结构和第五光学结构;所述第三光学结构设置在所述第一光学结构远离所述显示屏幕一侧的出光侧,被配置为将经所述第一光学结构分离的所述第一类型的偏振光反射到成像侧,并透射经所述第一光学结构分离的所述第二类型的偏振光;所述第四光学结构设置在所述第三光学结构远离所述第一光学结构的一侧,被配置为反射经所述第三光学结构透射的所述第二类型的偏振光,并将经所述第五光学结构反射的所述第一类型的偏振光透射到成像侧;所述第五光学结构设置在所述第四光学结构远离成像侧的一侧,被配置为将所述第四光学结构反射的所述第二类型的偏振光转换为所述第一类型的偏振光,并反射回所述第四光学结构。
- 根据权利要求15所述的光学显示系统,其中,所述成像侧相对于所述显示屏幕呈90°,所述第三光学结构接收光线的表面相对于从所述显示屏幕出射的光线方向呈45°,所述第四光学结构接收光线的表面相对于从所述显示屏幕出射的光线方向呈135°。
- 根据权利要求16所述的光学显示系统,其中,所述第一光学结构包括位于所述显示屏幕的出光侧的偏振片或偏振膜,所述第三光学结构和所述第四光学结构均包括偏振分光元件,所述第五光学结构包括以下之一:第一反射镜,用于对来自所述第一反射镜靠近所述第四光学结构的一侧的光线和远离所述第四光学结构的一侧的光线均进行反射;或者第二反射镜,用于对来自所述第二反射镜靠近所述第四光学结构的一侧的光线进行反射,并对来自所述第二反射镜远离所述第四光学结构的一侧的光线进行透射,所述第二光学结构包括设置在所述不同类型的偏振光到成像侧的出射路径的多个光学透镜或多个液晶透镜中的至少一种。
- 一种虚拟现实显示装置,包括权利要求1~17任一所述的光学显示系统。
- 一种增强现实显示装置,包括权利要求1~17任一所述的光学显示系统。
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CN109613705B (zh) * | 2019-01-18 | 2020-11-24 | 京东方科技集团股份有限公司 | 近眼显示装置以及近眼显示方法 |
CN109683320A (zh) | 2019-02-20 | 2019-04-26 | 京东方科技集团股份有限公司 | 显示装置和显示方法 |
US11281005B2 (en) * | 2019-08-08 | 2022-03-22 | Sharp Kabushiki Kaisha | Compact head-mounted display system with orthogonal panels |
CN110634415B (zh) * | 2019-09-25 | 2021-08-06 | 京东方科技集团股份有限公司 | 一种显示装置 |
CN110927969A (zh) * | 2019-12-09 | 2020-03-27 | 京东方科技集团股份有限公司 | 光学显示系统和显示装置 |
CN111999893B (zh) * | 2020-09-01 | 2023-03-21 | 深圳创维数字技术有限公司 | Vr显示模组、vr显示系统及vr眼镜 |
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