DISPLAY DEVICE FOR VEHICLE

• Main Authors: NAKAHARA HIROISA, NAKAGAWA NOZOMI
• Format: Patent
• Language: English; Japanese
• Published: 01.06.2017
• Subjects: ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES; ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PERFORMING OPERATIONS; PHYSICS; TRANSPORTING; VEHICLES IN GENERAL

PROBLEM TO BE SOLVED: To provide a display device for vehicle for allowing a driver to recognize information using a reflection unit capable of solving a problem that, when the position of driver's eyes move largely, an undesired reflection occurs via the reflection unit interfering the visibility of the driver.SOLUTION: A display device for vehicle 1 includes a display unit 100, a reflection part 200 and a front window 300. The display unit 100 emits a beam of image light, and the reflection part 200 reflects the image light. The front window 300 guides the reflected display light to an eye box. The reflection part 200 reflects incident light which has an incidence angle image light may have, but does not reflect incident light which has an incidence angle other than the above.SELECTED DRAWING: Figure 1 【課題】反射ユニットを用いてドライバーに情報を認識させる車両用表示装置は、ドライバーの目の位置が大きく動いた場合に、反射ユニットを介して不要な写りこみが発生し、運転時の視界の妨げになるという課題があった。【解決手段】車両用表示装置１は、表示器１００、反射部２００、フロントウィンドウ３００を備える。表示器１００は映像光を出射し、反射部２００で映像光を反射する。フロントウィンドウ３００は反射された表示光をアイボックスに導く。反射部２００は、映像光の取りうる入射角を有する入射光を反射し、それ以外の入射角を有する入射光を反射しない。【選択図】図１