HEAD-UP DISPLAY AND MOVABLE BODY

• Main Author: ASAI YOSUKE
• Format: Patent
• Language: English; Japanese
• Published: 26.09.2019
• 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 head-up display that efficiently displays a specific color with high luminance with a compact and simple configuration.SOLUTION: A head-up display comprises: a light source unit that arranges at least one or more first light source elements emitting light in a first luminescent color and at least one or more second light source elements emitting light in a second luminescent color different from the first luminescent color side by side in a first direction; a first lens that makes the light emitted from the light source unit incident on an incident surface and emits the light from an emission surface; a diffusion member that is arranged on the emission surface side of the first lens; a spatial optical modulation element that makes light incident on the incident surface, the light emitted from the light source unit and transmitting through the first lens and diffusion member, modulates the light according to image information, and emits the light from the emission surface; and an optical unit that projects the light emitted from the spatial optical modulation element. The first lens changes a light path of the light emitted from the light source unit so that the rays of light emitted from the first light source elements and second light source elements overlap in a predetermined area on the incident surface of the spatial optical modulation element.SELECTED DRAWING: Figure 7A 【課題】小型かつ簡易な構成で特定色を効率良く高輝度表示するヘッドアップディスプレイを提供する。【解決手段】ヘッドアップディスプレイは、第１の発光色の光を出射する少なくとも１以上の第１の光源素子と、第１の発光色と異なる第２の発光色の光を出射する少なくとも１以上の第２の光源素子とを第１の方向に並べて配置する光源部と、光源部から出射された光を入射面から入射し、出射面から出射する第１レンズと、第１レンズの出射面側に配置される拡散部材と、光源部から出射されて第１レンズ及び拡散部材を透過した光を入射面から入射し、画像情報により変調して出射面から出射する空間光変調素子と、空間光変調素子から出射した光を投影する光学ユニットと、を備え、第１レンズは、第１の光源素子及び第２の光源素子から出射される光のそれぞれが空間光変調素子の入射面における所定の領域で重なるように光源部から出射される光の光路を変化させる。【選択図】図７Ａ