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JPS61188118U - - Google Patents

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Publication number
JPS61188118U
JPS61188118U JP7140985U JP7140985U JPS61188118U JP S61188118 U JPS61188118 U JP S61188118U JP 7140985 U JP7140985 U JP 7140985U JP 7140985 U JP7140985 U JP 7140985U JP S61188118 U JPS61188118 U JP S61188118U
Authority
JP
Japan
Prior art keywords
head
display device
optical element
screen
liquid crystal
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
JP7140985U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP7140985U priority Critical patent/JPS61188118U/ja
Publication of JPS61188118U publication Critical patent/JPS61188118U/ja
Pending legal-status Critical Current

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

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の第１実施例要部説明図、第２
図は同実施例の外観図、第３図は第２実施例の要
部説明図、第４図は第３実施例の要部説明図、第
５図は従来例の要部説明図、第６図は反射光の一
般的性質の説明する図である。 １……透明スクリーン、２……表示体、３……
観測者、４……偏光サングラス、５……光学素子
。 Figure 1 is an explanatory diagram of the main parts of the first embodiment of the present invention;
3 is an explanatory diagram of the main parts of the second embodiment, FIG. 4 is an explanatory diagram of the main parts of the third embodiment, and FIG. 5 is an explanatory diagram of the main parts of the conventional example. FIG. 6 is a diagram explaining the general properties of reflected light. 1... Transparent screen, 2... Display body, 3...
Observer, 4...Polarized sunglasses, 5...Optical element.

Claims (1)

【実用新案登録請求の範囲】 (1) 表示体の像を透明なスクリーンで反射させ
、スクリーンを透過して見る像に重畳して視認す
るようにしたヘツドアツプ式表示装置において、
観測者と前記スクリーンとの間に直線偏光の偏光
面を９０°ずらす光学素子を介在してなるヘツド
アツプ式表示装置。 (2) 前記光学素子として１／２波長板を用いた
ことを特徴とする実用新案登録請求の範囲第１項
記載のヘツドアツプ式表示装置。 (3) 前記光学素子としてＴＮ液晶（ツイストネ
マチツク液晶）を用いたことを特徴とする実用新
案登録請求の範囲第１項記載のヘツドアツプ式表
示装置。[Claims for Utility Model Registration] (1) In a head-up type display device in which the image of the display body is reflected by a transparent screen and superimposed on the image seen through the screen for visual recognition,
A head-up display device comprising an optical element that shifts the plane of polarization of linearly polarized light by 90 degrees between the observer and the screen. (2) The head-up display device according to claim 1, which is characterized in that a half-wave plate is used as the optical element. (3) The head-up type display device according to claim 1, wherein a TN liquid crystal (twisted nematic liquid crystal) is used as the optical element.
JP7140985U 1985-05-16 1985-05-16 Pending JPS61188118U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7140985U JPS61188118U (en) 1985-05-16 1985-05-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7140985U JPS61188118U (en) 1985-05-16 1985-05-16

Publications (1)

Publication Number Publication Date
JPS61188118U true JPS61188118U (en) 1986-11-22

Family

ID=30608876

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7140985U Pending JPS61188118U (en) 1985-05-16 1985-05-16

Country Status (1)

Country Link
JP (1) JPS61188118U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0640271A (en) * 1992-07-23 1994-02-15 Central Glass Co Ltd Display device
JP2002131739A (en) * 2000-10-25 2002-05-09 Pora Techno:Kk Display device
JP2002131738A (en) * 2000-10-25 2002-05-09 Pora Techno:Kk Display device
JP2015225236A (en) * 2014-05-28 2015-12-14 株式会社デンソー Projection member, head-up display device, and polarized sunglass
US10234684B2 (en) 2016-09-15 2019-03-19 Denso Corporation Projection member, head up display device, and polarized sunglasses
WO2021049295A1 (en) * 2019-09-11 2021-03-18 日本化薬株式会社 Image display system and head-up display system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0640271A (en) * 1992-07-23 1994-02-15 Central Glass Co Ltd Display device
JP2002131739A (en) * 2000-10-25 2002-05-09 Pora Techno:Kk Display device
JP2002131738A (en) * 2000-10-25 2002-05-09 Pora Techno:Kk Display device
JP2015225236A (en) * 2014-05-28 2015-12-14 株式会社デンソー Projection member, head-up display device, and polarized sunglass
US10234684B2 (en) 2016-09-15 2019-03-19 Denso Corporation Projection member, head up display device, and polarized sunglasses
WO2021049295A1 (en) * 2019-09-11 2021-03-18 日本化薬株式会社 Image display system and head-up display system
JPWO2021049295A1 (en) * 2019-09-11 2021-09-27 日本化薬株式会社 Image display system and head-up display system

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