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Vehicular display device

專利號(hào)
US11612085B2
公開(kāi)日期
2023-03-21
申請(qǐng)人
Yazaki Corporation（JP Tokyo）
發(fā)明人
Junichi Ichikawa; Tetsuya Sugiyama
IPC分類
H05K7/20; B60K35/00
技術(shù)領(lǐng)域
vehicular,display,41a,wall,heat,inner,in,42a,ws,portion
地域： Tokyo

摘要

A vehicular display device includes: an emitting portion; a reflection portion configured to reflect the display light that is emitted from the emitting portion and is subjected to crossing, to a display surface such that the display light is reflected from the display surface to a previously defined eye point; and a casing including: an inner case; and a lower case housing the inner case inside, in which the inner case includes an inner wall part facing a focal area on which external light reflected from the reflection portion after being incident on the reflection portion from outside the casing focuses, the lower case includes a lower wall part located along the inner wall part, and the casing has a heat-discharge structure of conducting heat from the inner wall part to the lower wall part to discharge the heat outward.

說(shuō)明書(shū)

The position of the focal point FP that varies in accordance with the incident angle of the external light L2 and the focal area FA are determined, for example, in accordance with the geometric positional relationship between optical-reflection components, such as the windshield WS serving as the display surface and the reflection portion 3. Thus, the position of the focal point FP and the focal area FA can be grasped in advance, for example, by simulation.

The inner wall part 41A according to the present embodiment serves as a wall part facing the focal area FA as above in the inner case 41. In the example of FIG. 2, illustrated is a pair of inner wall parts 41A opposed to each other along the vehicular width direction Y. In the inner case 41, the focal point FPB described above is located on one of the pair of inner wall parts 41A and the focal point FPC described above is located on the other inner wall part 41A. In the inner case 41, the focal point FPA and the focal area FA described above are located between the pair of inner wall parts 41A. The inner wall parts 41A each function as a light-shielding wall against the external light L2.

權(quán)利要求

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