JPS6472193A - Backlight apparatus for liquid crystal display element - Google Patents

Backlight apparatus for liquid crystal display element

Info

Publication number
JPS6472193A
JPS6472193A JP22830987A JP22830987A JPS6472193A JP S6472193 A JPS6472193 A JP S6472193A JP 22830987 A JP22830987 A JP 22830987A JP 22830987 A JP22830987 A JP 22830987A JP S6472193 A JPS6472193 A JP S6472193A
Authority
JP
Japan
Prior art keywords
glass substrate
reflection layer
liquid crystal
crystal display
display element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP22830987A
Other languages
Japanese (ja)
Inventor
Hidesuke Endo
Naofumi Aoyama
Toshihiko Yabuuchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP22830987A priority Critical patent/JPS6472193A/en
Publication of JPS6472193A publication Critical patent/JPS6472193A/en
Pending legal-status Critical Current

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  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

PURPOSE: To prevent unequal brightness by forming a light curtain by vapor deposition of a translucent reflection layer having nonuniform reflection patterns on a transparent glass substrate. CONSTITUTION: The light curtain 6 is formed by depositing Al by evaporation as the translucent reflection layer 62 having the nonuniform reflection patterns on the transparent glass substrate 61 and consists of such glass substrate and the vapor deposited layer of a thickness. Not only the Al but vapor deposited films of metal, such as chromium, as well are usable as the vapor deposited films. The translucent reflection layer 62 is deposited by evaporation on the transparent glass substrate 61 in such a manner, by which the deformation of the light curtain 6 and the change in the distance between the translucent reflection layer 62 and a light source 1 are prevented in the temp. range (0 to 40 deg.C) where the liquid crystal display element is used. As a result, the occurrence of the unequal brightness is prevented.
JP22830987A 1987-09-14 1987-09-14 Backlight apparatus for liquid crystal display element Pending JPS6472193A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22830987A JPS6472193A (en) 1987-09-14 1987-09-14 Backlight apparatus for liquid crystal display element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22830987A JPS6472193A (en) 1987-09-14 1987-09-14 Backlight apparatus for liquid crystal display element

Publications (1)

Publication Number Publication Date
JPS6472193A true JPS6472193A (en) 1989-03-17

Family

ID=16874422

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22830987A Pending JPS6472193A (en) 1987-09-14 1987-09-14 Backlight apparatus for liquid crystal display element

Country Status (1)

Country Link
JP (1) JPS6472193A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0381980U (en) * 1989-12-11 1991-08-21
CN100447629C (en) * 2001-12-21 2008-12-31 奇美电子股份有限公司 Fluorescent tube reflection device used on downward back lighting module

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0381980U (en) * 1989-12-11 1991-08-21
CN100447629C (en) * 2001-12-21 2008-12-31 奇美电子股份有限公司 Fluorescent tube reflection device used on downward back lighting module

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