Two-sided display and method for improving the display of the same
A double-sided display and display panel technology, applied in instruments, nonlinear optics, optics, etc., can solve the problem of uneven brightness and darkness of the main display panel, and achieve the effect of improving local optical characteristics and improving shadow problems.
Inactive Publication Date: 2009-08-19
INNOCOM TECH (SHENZHEN) CO LTD +1
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Problems solved by technology
[0009] The main purpose of the present invention is to provide a method for improving the uneven brightness and darkness of the display screen of the double-sided display, and to provide a method having at least one reflective transflective film and an optical property enhancement film. double-sided display to solve the above-mentioned problem of uneven brightness and darkness of the main display panel caused by the traditional double-sided display providing light to the secondary display panel
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[0037] Please refer to Figure 4 , Figure 4 It is a schematic cross-sectional view of the first embodiment of the double-sided display of the present invention. As shown in the figure, the double-sided display 50 of the present invention includes a backlight module 52 , a frame 54 , a main display panel 56 and a primary display panel 58 , the size of which is smaller than that of the main display panel 56 . The outer frame 54 includes a fixed bottom surface 80 for accommodating and fixing the main display panel 56 and the sub-display panel 58, and the fixed bottom surface 80 has an opening 82 approximately the same size as the sub-display panel 58, so that light from the backlight module 52 can It is provided to the secondary display panel 58 through the opening 82 . The backlight module 52 includes a light guide plate 62 made of plastic material, which has a light incident surface 62a, a first light exit surface 62b and a second light exit surface 62c, wherein the first li...
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Abstract
The invention provides a double-sided display, which includes an outer frame, a first display panel, a second display panel and a backlight module. The backlight module includes a light guide plate, a light source, at least one reflective transmissive film and at least one optical property strengthening film which are arranged on the side of the light guide plate adjacent to the second display panel. The reflective transmissive film is arranged between the light guide plate and the outer frame. The reflective transmissive film can reflect part of the light emitted from the second light-emitting surface back to the light guide plate. The size of the optical property enhancing film is approximately the same as the opening, and The reflective transmissive film includes a hollow part for accommodating the optical property enhancing film.
Description
technical field [0001] The invention provides a double-sided display, in particular a double-sided display capable of improving the problem of uneven brightness and darkness of a display panel. Background technique [0002] Liquid crystal display is a thin, light and power-saving flat-panel display device. It uses a backlight to generate light, and uses the rotation state of liquid crystal molecules and two layers of polarizers on both sides of the liquid crystal molecules to control the light transmittance to display Color screen. Liquid crystal display has the advantages of stable picture and no flickering. Therefore, among many electrical products, liquid crystal display is widely used in the field of portable products such as mobile phones, personal digital assistants, notebook computers and digital cameras. With the continuous innovation of products, the related technologies of liquid crystal displays are also constantly advancing. The latest trend is to install double...
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IPC IPC(8): G02F1/13G02F1/1335
Inventor 黎瑞雍游川倍
Owner INNOCOM TECH (SHENZHEN) CO LTD