Lighting device
A technology for lighting devices and light guide plates, which is applied to lighting devices, lighting device parts, lighting and heating equipment, etc., can solve the problems of light energy waste, high temperature, insufficient optical utilization, etc. rate effect
Inactive Publication Date: 2015-01-28
SUZHOU TONLED LIGHTING TECH
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Problems solved by technology
[0005] However, the dots of the LED side-light lighting device in this way are reflective dots, which easily cause waste of light energy during the reflection process, and the optical utilization rate is not high enough, which leads to excessive temperature and affects the life of the lighting device. and use
Method used
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[0027] The present invention will be described in detail below in conjunction with various embodiments shown in the drawings. However, these embodiments do not limit the present invention, and structural or functional changes made by those skilled in the art according to these embodiments are included in the protection scope of the present invention.
[0028] Please refer to Figure 1 to Figure 2 As shown, the lighting device 100 of the present invention includes a backplane 1, a frame 2 cooperating and fixed with the backplane 1, a light guide plate 3 arranged in the frame 2, a light-emitting assembly 4 arranged outside the side edge of the light guide plate 3, The light-shielding member 7 fixed between the backplane 1 and the frame 2, the reflection plate or reflection film 6 attached to the side of the light guide plate 3 facing the backplane 1, and the diffusion plate 5 arranged on the side of the light guide plate 3 facing away from the backplane 1 .
[0029] Please ref...
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The invention provides a lighting device. The lighting device comprises a rear plate, a frame which is fixed in match with the rear plate, a light conducting plate arranged in the frame, an LED lamp arranged at the outer side of the side edge of the light conducting plate, a PCB which is arranged vertical to the light conducting plate to mount the LED lamp, a dispersing plate which is arranged at one side of the light conducting plate, departed from the rear plate, and a reflecting plate or a reflecting film which is attached to one side of the light conducting plate, toward the rear plate; a plurality of net points are arranged on one surface of the light conducting plate, toward the dispersing plate; a certain light mixing clearance is formed between the light conducting plate and the dispersing plate. According to the lighting device, light enters from the side edge of the light conducting plate and then is reflected to one surface of the light conducting plate, facing the dispersing plate through the reflecting plate; the light is dispersed through the plurality of net points; in addition, the light is mixed in the clearance between the dispersing plate and the light conducting plate; therefore, the dispersed light is soft; moreover, the utilization rate of the light is raised.
Description
technical field [0001] The invention relates to an illuminating device, in particular to an illuminating device with LED side-light arrangement. Background technique [0002] LED (Light Emitting Diode, Light Emitting Diode) is a semiconductor device that can convert electrical energy into visible light. LED lighting device is a semiconductor solid light emitting device. It uses a solid semiconductor chip LED as a light-emitting material. In the semiconductor, excess energy is released through the recombination of carriers to cause photon emission, and directly emits red, yellow, blue, green, blue, orange, purple, white and other light. [0003] The LED side-light lighting device is a LED ultra-thin energy-saving and low-carbon lighting. It adopts LCD backlight technology and is a new type of energy-saving and environmentally friendly lighting. The product is widely used in hotels, high-end office buildings, homes, and office places , indoor public places and other indoor l...
Claims
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IPC IPC(8): F21S2/00F21V8/00F21V17/10F21V23/00F21Y101/02
CPCF21K9/62F21V13/12F21V17/104F21V23/003F21Y2101/00F21S2/00F21V17/00F21V23/00
Inventor 何继银
Owner SUZHOU TONLED LIGHTING TECH