2results about How to "Narrow spectrum" patented technology

The utility model relates to the technical field of channel management equipment, and provides a signal emission assembly and a gate machine, the signal emission assembly is applied to the gate machine, the signal emission assembly comprises at least one emission lamp, the emission lamp is suitable for being installed on an installation panel of the gate machine, and the installation panel is provided with a plurality of light outlet holes in an array mode. The emission lamps and the light outlet holes are arranged in a one-to-one correspondence mode, and each emission lamp adopts a VCSEL semiconductor laser. According to the signal transmitting assembly provided by the embodiment of the utility model, the VCSEL semiconductor laser vertically transmits the high-power optical laser beam from the top surface, the light emitting angle of the emergent light is smaller, the quantity of the emergent light which is collimated and emitted is large, and the width and the intensity of the auxiliary light spots of the output light spots are smaller; the problem of crosstalk between adjacent receiving ends can be reduced, and the accuracy of gate detection is improved.

The embodiment of the application provides a display panel and a display device, and belongs to the technical field of display, which comprises a substrate, a driving circuit layer arranged on one side of the substrate, a light-emitting layer arranged on the side, away from the substrate, of the driving circuit layer, wherein the light-emitting layer comprises a pixel definition layer, and the pixel definition layer defines a plurality of pixel openings on the substrate; and an encapsulation structure arranged on the side, away from the substrate, of the light-emitting layer, wherein the encapsulation structure comprises a first encapsulation layer, a second encapsulation layer and a third encapsulation layer arranged in sequence, and the first encapsulation layer is arranged close to the light-emitting layer; wherein the second encapsulation layer is doped with at least one quantum dot material, and the orthographic projection of the second encapsulation layer on the substrate covers the orthographic projection of the pixel definition layer on the substrate. Through the display panel and the display device provided by the embodiment of the application, the color gamut of the display panel can be optimized, and the harmful blue light generated by the display panel can be reduced.