公开(公告)号：US20250102854A1

公开(公告)日：2025-03-27

申请号：US18891670

申请日：2024-09-20

Applicant: Beijing Zitiao Network Technology Co., Ltd.

Inventor： Xin LI ,  Ling FU ,  Shuai DONG ,  Xiaokai LI

IPC: G02F1/1335 ,  G02F1/13363 ,  G02F1/137 ,  G06F3/01

Abstract: An optical system and a display apparatus are provided. The optical system includes: a lens component, a polarized reflection layer, a transflective film, and a phase retardation film; a distance between two intersection points where the first surface and the second surface intersect with the optical axis is a first distance, a distance between two intersection points where the third surface and the fourth surface intersect with the optical axis is a second distance, and a distance between two intersection points of the fifth surface and the sixth surface intersect with the optical axis is a third distance; a ratio of an absolute value of a curvature radius of the fourth surface to an absolute value of a curvature radius of the third surface is 0.8 to 1, the second distance is greater than the first distance, and the second distance is greater than the third distance.

公开(公告)号：US20250052984A1

公开(公告)日：2025-02-13

申请号：US18797283

申请日：2024-08-07

Applicant: Beijing Zitiao Network Technology Co., Ltd.

Inventor： Ling FU ,  Xin LI ,  Hsin-Yi HU ,  Jiangsheng YANG

IPC: G02B17/08

Abstract: An optical system and a display apparatus are provided. The optical system includes: a lens component, a transflective film, a reflective polarization layer, and a phase retardation film. The lens component includes at least two lenses including a first surface, a second surface, a third surface and a fourth surface arranged sequentially; the transflective film is on a side of the first surface away from the second surface; the reflective polarization layer is between the second surface and the third surface; absolute values of curvature radii of the first surface and the second surface are both less than that of the fourth surface; a ratio of the curvature radius of the first surface to that of the second surface is 0.5 to 1.25; and an absolute value ratio of a conic constant of the first surface to that of the second surface is no greater than 0.4.

公开(公告)号：US20250102717A1

公开(公告)日：2025-03-27

申请号：US18894792

申请日：2024-09-24

Applicant: Beijing Zitiao Network Technology Co., Ltd. ,  Lemon Inc.

Inventor： Shaopeng ZHU ,  Ziyang ZHANG ,  Jian CHEN ,  Ling FU ,  Wenbin BAI

IPC: G02B5/30 ,  G02B17/08

Abstract: An optical structure, a manufacturing method thereof and a display device. The optical structure has a light incident side and a light-exiting side, the optical structure includes a first lens, a transflective film, a phase retardation layer, and a polarizing reflective film. The first lens includes a first surface and a second surface, the phase retardation layer is located on a side of the second surface away from the first surface, the phase retardation layer includes an alignment layer and a liquid crystal layer, the manufacturing method includes: coating the alignment layer on the second surface of the first lens; using an alignment light source to optically align the alignment layer from the light incident side; coating the liquid crystal layer on a side of the alignment layer away from the second surface.

公开(公告)号：US20250053020A1

公开(公告)日：2025-02-13

申请号：US18798309

申请日：2024-08-08

Applicant: Beijing Zitiao Network Technology Co., Ltd.

Inventor： Xin LI ,  Ling FU

IPC: G02B27/09 ,  G02B1/08 ,  G02B27/28

Abstract: An optical system and a display apparatus are provided. The optical system includes: a lens component, a transflective film, a reflective polarization layer, and a phase retardation film. The lens component includes at least two lenses which include a first surface, a second surface, a third surface and a fourth surface sequentially arranged. An absolute value of a curvature radius of the fourth surface is greater than that of the first surface, a ratio of a curvature radius of the third surface to that of the fourth surface is 0.3 to 0.8, and an absolute value ratio of a conic constant of the third surface to that of the fourth surface is no greater than 0.2.