JPH0235180U - - Google Patents
Info
- Publication number
- JPH0235180U JPH0235180U JP11218488U JP11218488U JPH0235180U JP H0235180 U JPH0235180 U JP H0235180U JP 11218488 U JP11218488 U JP 11218488U JP 11218488 U JP11218488 U JP 11218488U JP H0235180 U JPH0235180 U JP H0235180U
- Authority
- JP
- Japan
- Prior art keywords
- display device
- angle
- reflective member
- lens
- light
- 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
Links
- 238000002834 transmittance Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Description
第１図は本考案実施例の車両用表示装置の主要
部を示す図、第２図は実施例における反射部材の
機能を説明する図、第３図は太陽光から表示デバ
イスを保護するようにした車両用表示装置の従来
例を示す図、第４図は太陽光の影響を説明する図
、第５図は従来のヘツドアツプデイスプレイ装置
を示す図である。
１……フロントガラス、２……投影装置、４…
…レンズ、５……表示デバイス、１３……光検出
素子、１４……角度選択透過性の反射部材。
Fig. 1 is a diagram showing the main parts of a vehicle display device according to an embodiment of the present invention, Fig. 2 is a diagram explaining the function of the reflective member in the embodiment, and Fig. 3 is a diagram showing the function of the reflective member in the embodiment. FIG. 4 is a diagram illustrating the influence of sunlight, and FIG. 5 is a diagram illustrating a conventional head-up display device. 1... Windshield, 2... Projection device, 4...
... Lens, 5 ... Display device, 13 ... Photodetection element, 14 ... Angle-selective transmittance reflecting member.
Claims (1)
運転席前方の反射面に投影し、上記反射面に投影
される表示パターンを運転席側から視認できるよ
うにした車両用表示装置において、 一定範囲の入射角を有する光だけを透過する角
度選択透過性の反射部材を前記レンズと表示デバ
イス間においてレンズ光軸に対する角度が可変と
なるように回動自在に設け、 レンズに入射した外光の一部を上記反射部材で
反射させてこれを検出することにより該反射部材
を回動させ、該反射部材の角度選択透過性によつ
て外光を遮断するようにしたことを特徴とする車
両用表示装置。[Scope of Claim for Utility Model Registration] In a vehicle display device in which a display pattern of a display device is projected onto a reflective surface in front of the driver's seat through a lens, and the display pattern projected on the reflective surface can be viewed from the driver's seat side. , a reflective member having angle-selective transmittance that transmits only light having an incident angle within a certain range is rotatably provided between the lens and the display device so that the angle with respect to the lens optical axis is variable; A part of the light is reflected by the reflective member and detected, the reflective member is rotated, and external light is blocked by the angle-selective transmittance of the reflective member. Vehicle display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11218488U JPH0235180U (en) | 1988-08-29 | 1988-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11218488U JPH0235180U (en) | 1988-08-29 | 1988-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0235180U true JPH0235180U (en) | 1990-03-07 |
Family
ID=31350892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11218488U Pending JPH0235180U (en) | 1988-08-29 | 1988-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0235180U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023090092A1 (en) * | 2021-11-19 | 2023-05-25 | 株式会社小糸製作所 | Image projection device |
-
1988
- 1988-08-29 JP JP11218488U patent/JPH0235180U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023090092A1 (en) * | 2021-11-19 | 2023-05-25 | 株式会社小糸製作所 | Image projection device |
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