HUD light control method, HUD light control device and HUD

The invention provides a light control method of an HUD, a light control device of the HUD and the HUD. The light control method of the HUD is applied to a light control liquid crystal layer, the light control liquid crystal layer is arranged on a screen surface of an image generation unit of the HU...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	WAN QIUCHENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	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 DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING FREQUENCY-CHANGING INSTRUMENTATION OR DASHBOARDS FOR VEHICLES NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PERFORMING OPERATIONS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	The invention provides a light control method of an HUD, a light control device of the HUD and the HUD. The light control method of the HUD is applied to a light control liquid crystal layer, the light control liquid crystal layer is arranged on a screen surface of an image generation unit of the HUD and/or a reflecting surface of a reflecting mirror of the HUD, and the method comprises the following steps: determining brightness information of a plurality of first areas of an image according to the image to be projected by the image generation unit of the HUD; according to the brightness information, voltage application information of a plurality of second areas of the image is determined, and the second areas correspond to a plurality of third areas of the light control liquid crystal layer; according to the voltage application information, voltage is applied to at least part of the third area so as to control the polarization direction of light which can penetrate through the part of the third area, and th