投影螢幕及其投影系統

專利類型

發明

專利國別 (專利申請國家)

中華民國

專利申請案號

102125195

專利證號

I 487999

專利獲證名稱

投影螢幕及其投影系統

專利所屬機關 (申請機關)

國立清華大學

獲證日期

2015/06/11

技術說明

一種投影螢幕包含一基材以及一光學微結構。基材具有一投影區域，其包含多個陣列排列之光學區域，且一影像之每一像素對應至少一光學區域。每一光學區域包含一第一光學子區域以及一第二光學子區域，其具有反射散射、透射散射、單純透射或鏡面反射等不同之光學特性。光學微結構對應於第一光學子區域以及第二光學子區域至少其中之一設置，用以導引投影裝置所投射之光線至一特定方向。上述之投影螢幕可同時作為前投影螢幕以及背投影螢幕，或者可讓使用者觀看投影螢幕後方之背景影像。同時亦揭露一種包含上述投影螢幕之投影系統。 A projection screen includes a substrate and an optical microstructure. The substrate has a projection area including a plurality of arrayed optical region, and each pixel of an image corresponding to the at least one optical region. Each of the optical regions includes a first optical sub-region and a second optical sub-region with different optical characteristics, such as reflective scattering, transmission scattering, simple transmission or specular reflection. The optical microstructure is arranged corresponding to the at least one of the first optical sub-region and a second optical sub-region for guiding light projected by a projection device to a specific direction. The above-mentioned projection screen can be as the front projection screen and the rear projection screen at the same time, or allows the user to watch background image behind the projection screen. A projection system including the above-mentioned projection screen is also disclosed.

備註

本會(收文號1120045669)同意該校112年7月13日清智財字第1129005239號函申請終止維護專利(國立清華大學)

連絡單位 (專責單位/部門名稱)

智財技轉組

連絡電話

03-5715131-62219

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