4results about How to "Avoid incidence" patented technology

The application provides a display panel and a preparation method thereof, and solves the problems of poor display color and poor display uniformity in the prior art. The display panel comprises: a substrate; an isolation structure located on one side of the substrate, the isolation structure comprising a plurality of first openings; a light-emitting device partially located in the first openings; a light-blocking layer located on the side of the isolation structure away from the substrate, comprising a plurality of second openings, the orthographic projection of the second openings on the substrate covering the orthographic projection of the first openings on the substrate; and a texture layer located on the side of the light-blocking layer away from the substrate, the orthographic projection of the light-blocking layer on the substrate being located within the range of the orthographic projection of the texture layer on the substrate.

The present invention belongs to the field of face recognition technology, and specifically discloses a face recognition device, including a camera and a light shielding member, the light shielding member including a light input portion and a light shielding member, the light input portion is arranged on the light input side of the camera, a light input hole is arranged on the light input portion, the light input hole is directly opposite to the lens of the camera, the light input range of the light input hole is smaller than the shooting range of the lens, the light shielding member is arranged along the outer circumference of the light input portion, and the light shielding range of the light shielding member is larger than the shooting range of the lens. By setting the light shielding member, the shooting range of the camera is reduced from the original shooting range of the lens to the light input range of the light input hole of the light input portion, and the light outside the light input range of the light input hole is blocked by the light shielding member to avoid the part of the light from entering the lens, thereby reducing the influence of the light outside the face range on the exposure time, increasing the collection of facial feature information, and improving the face recognition efficiency and recognition accuracy.

A cleaning machine table comprises a cleaning pool, a cleaning device and a control device, the manipulator is suitable for grabbing the wafer and transmitting the wafer; a transmitting end of the laser detection module is located on one side of the cleaning pool, a receiving end of the laser detection module is located on the other side of the cleaning pool, and a light path between the transmitting end and the receiving end corresponds to the position of the wafer grabbed by the manipulator; the first baffle is located on one side of the receiving end away from the transmitting end; and the first anti-reflection layer is arranged between the first baffle and the receiving end, and the first anti-reflection layer is suitable for inhibiting mirror reflection of the laser. The first anti-reflection layer is arranged, so that laser subjected to scattering and diffuse reflection on the surface of the wafer is prevented from entering the surface of the first baffle and being reflected to the receiving end through the mirror surface of the first baffle, reflected light received by the receiving end is reduced, and the situation that the light received by the receiving end is too complex is avoided. Therefore, the receiving end can judge the position of the wafer according to the received laser from the transmitting end, so that machine shutdown caused by wrong feedback of the laser detection module to a machine is avoided.

The utility model provides a light guide structure and an automobile lamp, and relates to the technical field of automobile lighting. The light guide structure comprises a light blocking structure and a light guide body, the light blocking structure is arranged at the light inlet end of the light guide body and is provided with a reflection area, and the reflection area is used for reflecting light; light enters the light guide structure from the light inlet end, the light entering the light guide body from the light inlet end exits from the light outlet side of the light guide body, and part of the light not entering the light guide body from the light inlet end can be reflected by the reflection area of the light blocking structure. According to the light guide structure, the stray light problem existing at the light inlet end of the light guide structure can be solved, and therefore the lighting uniformity of the light guide structure is improved.