Backlight module and display device
A display device and backlight module technology, applied in optics, nonlinear optics, instruments, etc., can solve the problems of poor color gamut, high power consumption, low light utilization rate, etc., to eliminate uneven light mixing, improve light Effect of Utilization and Color Gamut, Power Consumption Reduction
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no. 1 example
[0050] figure 1 It is a schematic structural diagram of the first embodiment of the display device of the present invention, illustrating the case of M=3. Such as figure 1 As shown, the main structure of the display device in this embodiment includes a backlight module 100 and a display panel 200 . The display panel 200 includes a plurality of pixel units arranged in a matrix, and each pixel unit includes periodically arranged first sub-pixels 201, second sub-pixels 202 and third sub-pixels 203, and three sub-pixels form a pixel unit P, forming In the pixel unit array, the first sub-pixel 201 , the second sub-pixel 202 and the third sub-pixel 203 are used to transmit the first monochromatic light, the second monochromatic light and the third monochromatic light respectively. The backlight module 100 includes a backlight substrate 10, a light-emitting layer 11 and a light modulation layer 12. The light-emitting layer 11 is located on the surface of the backlight substrate 10 ...
no. 2 example
[0079] Figure 8 It is a schematic structural diagram of the light modulation layer according to the second embodiment of the present invention. This embodiment is an extension of the aforementioned first embodiment. Such as Figure 8 As shown, the light modulation layer 12 of this embodiment includes a grating plate 120, and a plurality of grating units arranged in matrix on the surface (upper surface) of the grating plate 120 away from the light-emitting layer 11, each grating unit includes a periodic array The first grating part 121, the second grating part 122 and the third grating part 123, and a plurality of grating units form a grating unit array. The first grating part 121 is used to make the first monochromatic tone lines emitted by the first light-emitting unit into N light beams with different exit angles, and the N light beams are respectively directed to the N first sub-pixels, and the second grating part 122 uses The second monochromatic tone lines emitted by ...
no. 3 example
[0083] Based on the technical idea of the present invention, the present invention also provides a backlight module. The backlight module includes a stacked light-emitting layer and a light-modulating layer. The light-emitting layer includes a plurality of light source units arranged in a matrix. Each light source unit includes a periodic M light-emitting units arranged to respectively emit different monochromatic lights, the light modulation layer is used to modulate the monochromatic light emitted by each light-emitting unit into N light beams with different outgoing angles, and each light beam has a set outgoing direction; Wherein, M is a positive integer greater than or equal to 3, and N is a positive integer greater than or equal to 2.
[0084] Figure 9 It is a schematic structural diagram of a backlight module according to an embodiment of the present invention, illustrating the case of M=3. Such as Figure 9 As shown, the backlight module of this embodiment include...
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