Transmission type illuminating apparatus
A lighting device, transmissive technology, applied in lighting devices, components of lighting devices, lighting and heating equipment, etc., can solve problems such as uneven screen brightness, environmental pollution, and increased power consumption
Inactive Publication Date: 2008-12-24
BUTTERFLY TECH SHENZHEN
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Problems solved by technology
The direct type system consists of dozens of linear light sources placed under the diffuser. Although this system is slightly better at uniforming the brightness of the screen, its disadvantages include increased power consumption. On the other hand, the side-light type The system has about one or two tubes arranged at either end to change a linear light source into a planar light source
This system reduces the number of lamp tubes to reduce power and reduce the thickness of the light source. However, since the light source is arranged on one side, it causes the problem of uneven brightness of the screen.
[0003] The traditional linear light source contains mercury; it will cause some pollution to the environment, but there is no corresponding device to homogenize the beam for the environmentally friendly point light source
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[0022] The technical content, features and achieved effects of the present invention will be clearly presented in conjunction with the following detailed descriptions of the reference figures and corresponding preferred embodiments.
[0023] The structure diagram of the first preferred embodiment of the lighting system of the present invention, as figure 1 As shown: the device 1 of this embodiment includes a collimating layer 11, which diffuses the point light source to a large area and collimates it, and at least one diffusing light angle layer 12, which is used to control the angle of light emission within a predetermined three-dimensional angle Inside. The material used for the quasi-value layer 11 is a transparent material with a refractive index ranging from 1.4 to 1.8, including acrylic resin or other organic materials with high transmittance, and the diffused light angle layer 12 is also composed of a highly diffused organic material. It can be a microlens array or a m...
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A transmission-type illumination device relates to a transmission-type device which supplies illumination for a display. The device comprises a collimation layer which diffuses a point light source to very large area and collimates the point light source and at least one diffusible light angle layer which controls the luminous angle of light to be in a three-dimensional preset angle. The device has the advantages that: as the distribution of the light angles penetrated on a screen by the device is different and the angle distribution is distributed in an annular shape corresponding to the center of the bottom, ,the sawtooth of the collimation layer is also distributed in an annular shape corresponding to the center of the bottom of the screen and a similar sawtooth angle also changes gradually, and simultaneously, the light beams of the collimation layer are diffused by the diffusible light angle layer. The screen can be widely applied in the backlight with certain transmitted light angle and certain central distribution.
Description
【Technical field】 [0001] The present invention relates to a transmissive device. More particularly, the present invention relates to a transmissive device for providing illumination for a display. 【Background technique】 [0002] Traditional large-scale surface light source systems are roughly divided into direct type systems and side light source systems. The direct type system consists of dozens of linear light sources placed under the diffuser. Although this system is slightly better at uniforming the brightness of the screen, its disadvantages include increased power consumption. On the other hand, the side-light type The system has about one or two light tubes arranged at either end to change a linear light source into a flat light source. This system reduces the number of lamp tubes to reduce the power and the thickness of the light source. However, since the light source is arranged on one side, there is a problem of uneven brightness of the screen. [0003] The tra...
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IPC IPC(8): F21V5/08F21V5/04F21V5/00
Inventor 黄旭华
Owner BUTTERFLY TECH SHENZHEN