product details

AR-HUD

It is mainly used in the next generation of intelligent cockpit head up display system, with flexible design and high brightness.

AR-HUD

Name	Product features
Technical proposal	RGB lds+ space shaping and beam combining +mems micromirror
light source	RGB semiconductor laser
Screen size	4.25 inch
brightness	90000 nit
Image plane divergence angle	15 you * 30 you (equivalent to HUD FOV 14you * 5 you)
resolving power	1280 * 400 pixel
Frame rate	60 Hz (average pixel refresh time 32ns)
contrast ratio	>10000:1
PGU optical machine size	1.4 L

HUD PGU technical scheme comparison
	LCD	DLP	MEMS-LBS
advantage	High penetration rate	High brightness	High brightness of laser light source
	Low cost	Good contrast（1000:1）	Good color
	Good color, mature supply chain	Large FOV	Optical efficiency >75%, low power consumption
		The supply chain is relatively mature	High contrast（10000:1）
			Large FOV
			Simple structure and small volume
Technical difficulties	Low brightness	Large volume
	Low contrast	high price	Laser Projection Speckle problem
	Heat dissipation and high temperature	Optical efficiency <25%, high power consumption
	Large volume	Heat dissipation and sunlight backflow
	Optical efficiency <10%, high power consumption

It is mainly used in the next generation of intelligent cockpit head up display system. It has flexible design and high brightness. Compared with the existing DLP products with the best display effect, it has no backlight, wide color gamut, low power consumption and low cost.