Rear view mirror with display function
A technology of display function and rearview mirror, which is applied in the field of rearview mirror, can solve the problems of reducing the optical performance of the display screen, affecting the driver's observation range, and reducing the area of the mirror, so as to reduce the output of heat source, reduce the temperature, and reduce the light. loss effect
Inactive Publication Date: 2018-07-20
JIANGSU JICUI INTELLIGENT LCD TECH CO LTD
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Problems solved by technology
Existing rearview mirrors with display functions in automobiles are mainly divided into two types. One is that the display screen occupies part of the area of the mirror surface of the rearview mirror, but this causes the area of the mirror surface to become smaller and affects the driver's observation range; The other is to reduce the reflectivity of the mirror surface of the rearview mirror, increase its perspective rate, and make part of the light of the display screen inside the mirror surface pass through, so as to achieve the effect of coexistence of mirror reflection and screen display, but this structure will reduce the display. Some optical properties of the screen, such as brightness and contrast, cause serious energy loss
Moreover, the light emitted by the backlight source of the traditional display is non-polarized, and the utilization of the final light intensity is often less than 5% of the original light intensity
Method used
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[0029] In the following description, for purposes of explanation and to provide a thorough understanding of the present invention, numerous specific details are set forth, however, it will be obvious to those skilled in the art that the present invention can be practiced without these specific details. . In other instances, well-known structures and devices are shown in block diagram form. In this regard, the illustrative example embodiments have been presented for purposes of illustration only, and are not intended to be limiting of the invention. Therefore, the protection scope of the present invention is not limited by the above specific embodiments, but only by the scope of the appended claims.
[0030] First refer to figure 1 , which shows a rearview mirror with a display function according to an embodiment of the present invention, the rearview mirror may include a mirror body part 100, a housing and a bracket (not shown). The mirror body part 100 may include a transp...
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The invention relates to a rear view mirror with a display function. The rear view mirror comprises a full-screen transparent cover plate basically covering the rear view mirror, a reflective polarizing layer and a display layer, the reflective polarizing layer is disposed substantially below the transparent cover plate in line with the size of the transparent cover plate, at least part of the reflective polarizing layer is configured as a basic half transparent half reflective optical area, the basic half transparent half reflective optical area allows the light of which the direction is in line with the polarizing direction to pass and reflects the light of which the direction is perpendicular to the polarizing direction, the display layer defines at least one display area, and the display area is arranged on the basic haft transparent half reflective optical area. The rear view mirror achieves mirror reflection through the reflective polarizing layer while improving the utilizationrate of display light.
Description
technical field [0001] The invention relates to a rearview mirror, in particular to a rearview mirror with a display function. Background technique [0002] In the field of automobile rearview mirrors, in order to better provide driving information and road conditions, rearview mirrors with display functions have been developed. Existing rearview mirrors with display functions in automobiles are mainly divided into two types. One is that the display screen occupies part of the area of the mirror surface of the rearview mirror, but this causes the area of the mirror surface to become smaller and affects the driver's observation range; The other is to reduce the reflectivity of the mirror surface of the rearview mirror, increase its perspective rate, and make part of the light of the display screen inside the mirror surface pass through, so as to achieve the effect of coexistence of mirror reflection and screen display, but this structure will reduce the display. Some opt...
Claims
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Patent Timeline
Login to View More IPC IPC(8): G02F1/1335G02F1/1333G02F1/13357B60R1/12
CPCB60R1/12B60R2001/1215G02F1/13338G02F1/133528G02F1/133615B60R2001/1253G02F1/133536
Inventor 薛九枝王晨晖
Owner JIANGSU JICUI INTELLIGENT LCD TECH CO LTD