Double-sided display device and backlight module
A double-sided display device and backlight module technology, applied in lighting devices, fixed lighting devices, optics, etc., can solve the problem of increasing the thickness and volume of double-sided display devices, which is not conducive to the thinning and light weight of double-sided display devices, and the scope of application Narrow issues
Inactive Publication Date: 2015-05-20
AU OPTRONICS CORP
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Problems solved by technology
However, the traditional double-sided display device does not have a design for integrating a touch panel, resulting in a relatively narrow range of applications
If additional touch panels are added on both sides of the device, the thickness and volume of the double-sided display device will be increased, which is not conducive to the thinning and lightweight of the double-sided display device
Method used
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[0096] Below in conjunction with accompanying drawing, structural principle and working principle of the present invention are specifically described:
[0097] The invention provides a double-sided display device combined with a digital board to simultaneously provide double-sided display and sensing functions. By controlling the signal of the shielding layer, the user can simultaneously perform independent touch operations on opposite sides of the double-sided display device, or display the touch information input from one side of the double-sided display device on the other side. side to improve operational interaction. Since the digital panel of the present invention has two sensing layers for double-sided sensing, and shares a shielding layer, it can save costs and reduce the thickness of the double-sided display device, which is conducive to achieving thinning and smoothing of the double-sided display device. lightweight.
[0098] figure 1 It is a double-sided display ...
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The invention discloses a double-sided display device and a backlight module. The double-sided display device comprises a first display panel, a second display panel and the backlight module arranged between the above two. The backlight module comprises a digital plate, a first light guide plate, a second light guide plate and at least one light emitting element. The digital plate is arranged between the first light guide plate and the second light guide plate, and comprises a shielding layer, a first sensing layer and a second sensing layer, wherein the first sensing layer is located between the shielding layer and the first light guide plate, and the second sensing layer is located between the shielding layer and the second light guide plate. The first light guide plate is arranged between the first display panel and the digital plate, and the second light guide plate is arranged between the second display panel and the digital plate. The at least one light emitting element is arranged beside the first light guide plate and the second light guide plate.
Description
technical field [0001] The invention relates to a display device and its backlight module, in particular to a double-sided display device combined with a digitizer to realize a touch function and a backlight module suitable for the double-sided display device. Background technique [0002] Flat panel display is the communication interface between people and information, so its development is particularly important. Among various types of flat panel displays, Liquid Crystal Display (LCD) has superior characteristics such as high space utilization efficiency, low power consumption, no radiation, and low electromagnetic interference, so LCD displays are very popular among consumers. [0003] With the progress of display technology, the application fields of liquid crystal displays are very wide. Among them, the liquid crystal display with double-sided display function can be applied to portable consumer electronic devices, or used as a large-size liquid crystal display televis...
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IPC IPC(8): G02F1/1362G02F1/13357G02F1/1333F21S8/00F21V8/00
Inventor 谌思廷陈南叡
Owner AU OPTRONICS CORP