Patent ID: 11906886
Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A display module, comprising:
a back frame comprising a backplane, a first side wall, and a second side wall, wherein the backplane comprises a first surface and a second surface disposed opposite to each other, the first side wall is disposed on the first surface and located on a peripheral side of the backplane, the second side wall is disposed on the second surface and located on the peripheral side of the backplane, the first side wall and the backplane collectively form a first groove, and the second side wall and the backplane collectively form a second groove;
a first backlight module disposed in the first groove, wherein the first backlight module comprises a reflective sheet, a light guide plate, a first optical film, and a light source, wherein the reflective sheet is disposed on the first surface, the light guide plate is disposed on a side of the reflective sheet away from the first surface, the first optical film is disposed on a light output surface defined on the light guide plate, and the light source is arranged on the first side wall facing a light input surface defined on the light guide plate;
a second backlight module disposed in the second groove;
a first frame disposed on a side of the first side wall away from the backplane, wherein the first frame comprises a third side wall and a first support portion, the third side wall is mounted on an outer peripheral surface of the first side wall, and the first support portion extends from the third side wall in a direction from the first side wall to a center line of the first groove;
a second frame disposed on a side of the second side wall away from the backplane;
a first liquid crystal panel provided on a side of the first frame away from the backplane; and
a second liquid crystal panel provided on a side of the second frame away from the backplane;
wherein a third groove is defined on a side of the first support portion away from the backplane, and the first liquid crystal panel is disposed in the third groove;
wherein the first side wall comprises a corner portion having a first notch, and the first optical film comprises a first optical film body and a first positioning portion connected to a corner of the first optical film body, wherein the first optical film body is disposed in the first groove, and the first positioning portion passes through and is engaged with the first notch.