Patent ID: 9658387
Date: 2017-05-23
CPC Classifications: G02B,G02F

Claim:
1. A double-screen display device, comprising: a first display panel and a second display panel; a light source; a polarization beam splitter configured to divide light emitted from the light source into P light and S light, and cause one of the P light and the S light to be incident on a first optical module and the other one to be incident on a second optical module; the first optical module configured to transmit received light to the first display panel; the second optical module configured to transmit received light to the second display panel, wherein the light emitted from the light source is directly incident on the polarization beam splitter, and the polarization beam splitter comprises a triangular prism, a polarization beam splitting film layer for reflecting one of the P light and the S light and transmitting the other one of the P light and the S light disposed on one side of the triangular prism, and a reflective film layer for reflecting the transmitted other one of the P light and the S light disposed on another side of the triangular prism.