white led backlighting light guide plate


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LED Backlighting for LCDs Requires Unique Drivers

May 12, 2008 · Typically, a couple of white LEDs provide backlighting of small-panel LCD displays. As shown in Fig. 1, the LEDs are on the edge of the display, and a light-guide plate aids in achieving uniform backlighting. White LEDs usually employ a constant-current drive using a pulse-width modulation (PWM) for dimming effects. 43.3:High-efficiency Slim LED Backlight System with The optical efficiency of the LED-Backlight with a light guide has been roughly 5002, because a tight guide and an optical miror absorb a portion ofthe light [3]. Additionally the weight ofa light How Is The Classification Of LED Backlights Divided Sep 02, 2021 · The LED side light source emits the light source from both sides of the fuselage, and the light is projected onto the panel through the function of the built-in high-transmittance light guide plate. US20070064443A1 - Led backlight for flat panel display On the opposing bottom surface of the light guide 22, a reflective plate or coating 26is provided, so that light does not emerge from the bottom surface, but is instead reflected back into the Hot Items Light Guide Plate for LED Light Panel - China Low power consumption :Uses far less power than standard incandescent EL or CCFL light sources. Applications Backlighting LCD Displays Office Automatic Equipment Illumination of Large Surface Areas Color:WHITE; Circuit diagram (LED 1*2=2 Lamp) V.A. Size 155.5*19.5 mm Luminous Intensity 350 cd/m2 Luminous Uniformity 80 % Introduction to LED Backlight Driving Techniques for backlight module usually includes backlight sources, a light-diffusion plate, a reflector, a brightness-enhancement film (BEF) and a light-guide plate (LGP). Conventionally, cold cathode fluorescent lamps (CCFLs) are required to provide sufficient backlighting for LCD panels [1-5]. :lighted outlet covers10 Pack - SnapPower GuideLight 2 for Outlets [New Version - LED Light Bar] - Night Light - Electrical Outlet Wall Plate With LED Night Lights - Automatic On/Off Sensor - (Duplex, White) 4.7 out of 5 stars. 421. $159.98. $159. . Backlight Using LED Parallel to Light Guide Surface Various embodiments of corner-coupled backlights are described, where one or more white light LEDs are optically coupled to a truncated corner edge of a solid rectangular light guide backlight. The one or more LEDs are mounted in a small reflective cavity, whose output opening is coupled to the truncated corner of the light guide. China LG/ Samsung Sony Panasonic Light Guide Plate for TV TV Light Guide Plate, LED Panel, Light Plate manufacturer / supplier in China, offering LG/ Samsung Sony Panasonic Light Guide Plate for TV and Monitor LED LCD Backlighting, Rectangle Module LCD Backlight Light for Cars, Lightground Acrylic White Backlight Light Screen for Fish Tank and so on. (PDF) Dot-pattern design of a light guide in an edge-lit Apr 01, 2007 · ture of light-guide entrance surface in front of LED; and b three-LED backlight. Chang and Fang:Dot-pattern design of a light guide Optical Engineering April 2007/V ol. 46 4 China Big Lens LED Lens Strips for TV Backlighting - China LED Strips for Indoor Advertising, LED Strips for Shopping Mall, LED Strips for Product Exhibition manufacturer / supplier in China, offering Big Lens LED Lens Strips for TV Backlighting, Lightground Acrylic White Backlight Light Screen for Fish Tank, Iluminated Background Light Light guide panel, reflector and diffuser - Nanjing Jayan High Transmittance Light Diffuser Sheets for LED Panel Light. FOB Price:US $2,560-2,600 / Ton. Min. Order:1 Ton. Contact Now. 90% Light Transmittance Light Diffuser Panel for LED Panel Light. FOB Price:US $2,580-2,620 / Ton. Min. Order:1 Ton. Contact Now. High Transmittance Light Diffuser Sheet for Backlit LED Down Light.

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