JPH0311201U

JPH0311201U -

Info

Publication number: JPH0311201U
Application number: JP7053889U
Authority: JP
Priority date: 1989-06-16
Filing date: 1989-06-16
Publication date: 1991-02-04
Anticipated expiration: 2004-03-02
Also published as: JPH068561Y2

Description

[Brief explanation of the drawing]

第１図はこの考案の第１実施例における光拡散
シートの断面図、第２図は第１図の部における
詳細図、第３図はこの考案の第２実施例における
光拡散シートの断面図、第４図は第３実施例の光
拡散シートの断面図、第５図は第４実施例の光拡
散シートの断面図、第６図は第５実施例の光拡散
シートの断面図、第７図は第６実施例の光拡散シ
ートの断面図、第８図は第７実施例の光拡散シー
トの断面図、第９図は従来例による光拡散シート
の断面図である。１……光源、２……シート本体、３……光照射
面、４……光反射微小素材群、５……パターン表
示体、Ａ……ドツト。 Figure 1 is a sectional view of a light diffusion sheet in the first embodiment of this invention, Figure 2 is a detailed view of the part shown in Figure 1, and Figure 3 is a sectional view of a light diffusion sheet in a second embodiment of this invention. , FIG. 4 is a sectional view of the light diffusion sheet of the third embodiment, FIG. 5 is a sectional view of the light diffusion sheet of the fourth embodiment, and FIG. 6 is a sectional view of the light diffusion sheet of the fifth embodiment. 7 is a sectional view of a light diffusion sheet of a sixth embodiment, FIG. 8 is a sectional view of a light diffusion sheet of a seventh embodiment, and FIG. 9 is a sectional view of a conventional light diffusion sheet. 1...Light source, 2...Sheet body, 3...Light irradiation surface, 4...Light-reflecting minute material group, 5...Pattern display body, A...Dot.

補正平１．８．２８実用新案登録請求の範囲を次のように補正する
。Amendment 8/28/1999 The scope of claims for utility model registration is amended as follows.

【実用新案登録請求の範囲】 (1) 光源側にあたるシート本体の光照射面に、
光反射微小素材群による分布差のあるパターン表
示体を着装したことを特徴とする光拡散シート。 (2) パターン表示体が、ドツトまたは縞もしく
はラインをもつてなるようにした請求項(1)記載
の光拡散シート。 (3) パターン表示体が、密度または濃度もしく
は透過率を変えて着装するようにした請求項(1)
記載の光拡散シート。 (4) 透光率に分布差を持たせたパターン表示体
を有する光拡散シートに、光源を上記パターン表
示体の濃度または密度が最も高い位置に位置させ
て配設したことを特徴とするバツクライト装置。[Scope of claims for utility model registration] (1) On the light irradiation surface of the sheet body on the light source side,
A light-diffusing sheet characterized by being equipped with a pattern display body having a different distribution due to a group of light-reflecting minute materials. (2) The light diffusion sheet according to claim (1), wherein the pattern display body has dots, stripes, or lines. (3) Claim (1) in which the pattern display body is worn with varying density, concentration, or transmittance.
Light diffusion sheet as described. (4) A backlight characterized in that a light diffusion sheet has a pattern display body with a distribution difference in light transmittance, and a light source is disposed at a position where the concentration or density of the pattern display body is highest. Device.

Claims

[Scope of claims for utility model registration] (1) On the light irradiation surface of the sheet body on the light source side,
A light diffusion sheet characterized in that a pattern display body with a distribution difference made of a group of light-reflecting minute materials is directly attached by metallizing such as vapor deposition or sputtering. (2) The light diffusion sheet according to claim (1), wherein the pattern display body has dots, stripes, or lines. (3) Claim (1) in which the pattern display body is worn with varying density, concentration, or transmittance.
Light diffusion sheet as described. (4) A back light characterized in that a light source is disposed on a light diffusion sheet having a pattern display body having a distribution difference in light transmittance, with a light source positioned at a position where the concentration or density of the pattern display body is highest. Device.