公开(公告)号：US5764315A

公开(公告)日：1998-06-09

申请号：US650758

申请日：1996-05-20

申请人： Tomohiro Yokota ,  Fumio Nishitani ,  Hiroshi Ogawara ,  Akihito Kubo ,  Makoto Fujigami

发明人： Tomohiro Yokota ,  Fumio Nishitani ,  Hiroshi Ogawara ,  Akihito Kubo ,  Makoto Fujigami

IPC分类号： F21V8/00 ,  G02B6/00 ,  G02F1/1335 ,  F21V7/04

CPC分类号： G02B6/0053 ,  G02B6/0043 ,  G02B6/0061

摘要： A light adjusting sheet for a planar lighting device includes a plurality of convex and concave ridges or regions arranged alternately and approximately parallel to each other on one surface. Each of the convex regions and concave regions are formed by two flat surfaces. The ridges may have a cross section of a sine curve. Another light adjusting sheet consists of a plurality of single sheets each having the above configuration, stacked together. A planar lighting device includes the light adjusting sheet of the above configuration, wherein peak lines of the convex ridges and bottom lines of the concave ridges are arranged to make a predetermined angle with an axis of a linear light source. The liquid crystal display includes a liquid crystal display element placed on front of the planar lighting device of the above configuration.

摘要翻译： 一种用于平面照明装置的调光片包括在一个表面上彼此交替且大致平行布置的多个凸脊或凹脊。 每个凸区域和凹区域由两个平坦表面形成。 脊可以具有正弦曲线的横截面。 另一个调光片由多个具有上述结构的单个片组成，堆叠在一起。 平面照明装置包括上述结构的调光片，其中，所述凸脊的凹凸线和所述凹脊的底线的配线与所述线状光源的轴线成预定的角度。 液晶显示器包括放置在上述结构的平面照明装置前面的液晶显示元件。

公开(公告)号：US5552907A

公开(公告)日：1996-09-03

申请号：US301412

申请日：1994-09-08

申请人： Tomohiro Yokota ,  Fumio Nishitani ,  Hiroshi Ogawara ,  Akihito Kubo ,  Makoto Fujigami

发明人： Tomohiro Yokota ,  Fumio Nishitani ,  Hiroshi Ogawara ,  Akihito Kubo ,  Makoto Fujigami

IPC分类号： F21V5/04 ,  F21V8/00 ,  G02F1/13357 ,  G02F1/1335 ,  F21V7/04

CPC分类号： G02B6/0038 ,  F21V5/04 ,  G02F1/133615

摘要： A light adjusting sheet for a planar lighting device includes a plurality of convex and concave streaks arranged alternately and approximately parallel to each other on one surface. The streaks may have a cross section of a sine curve. Another light adjusting sheet consists of a plurality of single sheets each having the above configulation, stacked together. A planar lighting device includes the light adjusting sheet of the above configulation, wherein peak lines of the convex streaks and bottom lines of the concave streaks are arranged to make a predetermined angle with an axis of a linear light source. The liquid crystal display includes a liquid crystal display element placed on front of the planar lighting device of the above configulation.

摘要翻译： 一种用于平面照明装置的调光片包括在一个表面上彼此交替且大致平行布置的多个凸条纹和凹条纹。 条纹可能具有正弦曲线的横截面。 另一个调光片由多个单独的片组成，每个单片具有上述构造，堆叠在一起。 平面照明装置包括上述配置的调光片，其中凸条纹和凹条的底线的峰线布置成与线性光源的轴线成预定的角度。 液晶显示器包括放置在上述配置的平面照明装置前面的液晶显示元件。

公开(公告)号：US5394255A

公开(公告)日：1995-02-28

申请号：US8995

申请日：1993-01-26

申请人： Tomohiro Yokota ,  Fumio Nishitani ,  Hiroshi Ogawara ,  Akihito Kubo ,  Makoto Fujigami

发明人： Tomohiro Yokota ,  Fumio Nishitani ,  Hiroshi Ogawara ,  Akihito Kubo ,  Makoto Fujigami

IPC分类号： F21V5/04 ,  F21V8/00 ,  G02F1/1335 ,  F21V7/04

CPC分类号： G02B6/0053 ,  F21V5/04

摘要： A light adjusting sheet for a planar lighting device includes a plurality of convex and concave streaks arranged alternately and approximately parallel to each other on one surface. The streaks may have a cross section of a sine curve. Another light adjusting sheet consists of a plurality of single sheets each having the above configulation, stacked together. A planar lighting device includes the light adjusting sheet of the above configulation, wherein peak lines of the convex streaks and bottom lines of the concave streaks are arranged to make a predetermined angle with an axis of a linear light source. The liquid crystal display includes a liquid crystal display element placed on front of the planar lighting device of the above configulation.

摘要翻译： 一种用于平面照明装置的调光片包括在一个表面上彼此交替且大致平行布置的多个凸条纹和凹条纹。 条纹可能具有正弦曲线的横截面。 另一个调光片由多个单独的片组成，每个单片具有上述构造，堆叠在一起。 平面照明装置包括上述配置的调光片，其中凸条纹和凹条的底线的峰线布置成与线性光源的轴线成预定角度。 液晶显示器包括放置在上述配置的平面照明装置前面的液晶显示元件。