Direct type ultrathin LED backlight module
A backlight module, direct-type technology, applied in the field of direct-type ultra-thin LED backlight modules, backlight modules, can solve problems such as difficulty in achieving ultra-thin, large backlight module thickness, increased production costs, etc., to reduce optical Loss, improve light utilization, cost-saving effects
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[0023] In order to make the objectives, technical solutions and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.
[0024] Such as Figure 1 ~ Figure 3 As shown, the direct type ultra-thin LED backlight module provided by the embodiment of the present invention includes an LCD display screen 1, a diffusion film 2 and a PCB board 3. The PCB board 3 is provided with a number of unpackaged LED chip light sources 4, so The surface of the LED chip light source 4 is coated with a material that can refract the light emitted by the LED chip light source 4.
[0025] Specifically, the surface of the single LED chip light source 4 is covered with a transparent glue 41 (such as figure 1 As shown) or fluorescent glue 42 ...
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