DISPLAY DEVICE

• Main Authors: KAWAKAMI SHINJI, IWASA TATSUYA, KIMURA TAKUYA, KUWAJIMA YUJI, HIGASHIYAMA TADASHI
• Format: Patent
• Language: English; Japanese
• Published: 30.04.2020
• 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

To provide a display device that can improve visibility of an image.SOLUTION: A display device 100 comprises: a light projection device 120 for projecting light including an image; an optical member 122 provided on a path of the light; and a concave mirror 126 for reflecting light that has passed through the optical member 122 toward a light-permeable reflector 20. In the optical system including the optical member 122, the concave mirror 126, and the reflector 20, a vertical focusing distance is shorter than a lateral focusing distance.SELECTED DRAWING: Figure 3 【課題】画像の視認性を向上させることができる表示装置を提供すること。【解決手段】画像を含む光を投射する投光装置１２０と、前記光の経路上に設けられた光学部材１２２と、前記光学部材１２２を通過した光を、光透過性を有する反射体２０に向けて反射する凹面鏡１２６と、を備え、前記光学部材１２２、前記凹面鏡１２６、および前記反射体２０を含む光学系において、縦方向の焦点距離が横方向の焦点距離よりも短い、表示装置１００。【選択図】図３