Backlight structure applicable to light-emitting keyboard and manufacturing method of backlight structure
A technology of a backlight structure and a manufacturing method, which is applied to electric light sources, components of lighting devices, lighting devices, etc., can solve problems such as affecting the appearance of a backlight keyboard.
Active Publication Date: 2014-12-17
DARFON ELECTRONICS (SUZHOU) CO LTD +1
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Problems solved by technology
However, the light entering the light guide plate can also exit from the other edge of the light guide plate, so that the other edge of the light guide plate forms a bright spot and affects the appearance of the backlit keyboard
Method used
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[0062] The directional terms mentioned in the following embodiments, for example: up, down, left, right, front or back, etc., are only directions for referring to the attached drawings. Therefore, the directional terms used are used to illustrate but not to limit the present invention. See figure 1 , figure 1 It is a schematic diagram of a backlit keyboard 3000 according to the first embodiment of the present invention. Such as figure 1 As shown, the backlit keyboard 3000 includes a keyboard portion 1 and a backlit structure 2. The keyboard portion 1 is disposed on the backlit structure 2, and the backlit structure 2 is used to provide a light source for the keyboard portion 1, so that the backlit keyboard 3000 produces a light-emitting visual effect.
[0063] See figure 1 , figure 2 , Figure 3A as well as Figure 3B , figure 2 Is an exploded schematic diagram of the backlight structure 2 of the first embodiment of the present invention, Figure 3A for figure 2 The partial cr...
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A backlight structure comprises a light guide plate, a light-emitting unit, a reflective sheet, fluid solidified layers and bonding layers. The light guide plate is provided with an in-light surface, an out-light surface, an undersurface corresponding to the out-light surface and a side face, the light-emitting unit is adjacent to the in-light surface, and light rays emitted from the light-emitting unit enter the light guide plate via the in-light surface and are emitted through the out-light surface; the reflective sheet is arranged under the undersurface and used for reflecting the light rays emitted via the undersurface; the fluid solidified layers are arranged on the side face and used for shielding the light rays from being emitted from the side face; the bonding layers are bonded between the light guide plate and the reflective sheet so as to limit the fluid solidified layers to enter the range between the reflective sheet and the light guide plate during the process of being arranged at the edge of the reflective sheet.
Description
Technical field [0001] The present invention relates to a backlight structure and a manufacturing method thereof, in particular to a backlight structure and a manufacturing method thereof capable of preventing edge light leakage. Background technique [0002] In terms of current personal computer usage habits, the keyboard is one of the indispensable input devices for inputting characters, symbols or numbers. Recently, with the improvement of consumers' visual demands, a luminous backlit keyboard has become a new development direction in the industry. Generally speaking, a backlit keyboard adopts an edge-lit backlight module as its light source, that is, a light-emitting diode used to emit light is arranged on one side of the light-incident surface of its light guide plate, whereby the light emitted by the light-emitting diode It can enter the light guide plate from the light entrance surface and exit from the light exit surface of the light guide plate, so that the light can pe...
Claims
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IPC IPC(8): H01H13/83F21S8/00F21V13/00H01H11/00
Inventor 何信政叶亮达江英德
Owner DARFON ELECTRONICS (SUZHOU) CO LTD