Abstract: A light source and a lighting device are provided. The light source includes a light emitting element configured to emit light and a light transmittance adjustment layer located on a light emitting surface of the light emitting element, and light transmittance of the light transmittance adjustment layer is adjustable.

Abstract: A touch structure and a control method thereof, and a display device are provided. The touch structure includes a first electromagnetic induction unit; second electromagnetic induction units arranged in an array which can cooperate with the first electromagnetic induction unit to generate electrical signals by electromagnetic induction; a signal collecting unit configured to collect electrical signals generated by electromagnetic induction between the second electromagnetic induction units and the first electromagnetic induction unit.

Abstract: Embodiments of the present disclosure relate to a backlight module and a display device. The backlight module includes a light source and a light guide plate, the light source provided on at least one side of the light guide plate, wherein a side of the light guide plate facing the light source includes a light receiving surface facing the light source and a light reflecting surface above the light receiving surface, wherein an angle formed by the light receiving surface and the light reflecting surface in a direction toward inside of the light guide plate is an obtuse angle. According to the backlight module and the display device provided by the present disclosure, light waste may be reduced and the utilization ratio of light energy may be improved.

Abstract: A display panel and a method for manufacturing the same, an electronic paper and a driving method thereof are provided. The display panel includes: a first base substrate, a second base substrate arranged oppositely to the first base substrate, and multiple temperature-induced transmittance reversible components which not contacted with each other and arranged in an array between the first base substrate and the second base substrate. Each of the temperature-induced transmittance reversible components includes: a temperature-induced transmittance reversible unit and a temperature control unit. The temperature control unit is used to adjust temperature of the temperature-induced transmittance reversible unit to control transmittance of the temperature-induced transmittance reversible unit with respect to the visible light.

Abstract: The present application discloses a display panel free of a liquid crystal layer including a base substrate, and an array of a plurality of pixels on the base substrate, each of the plurality of pixels comprising at least one subpixel. Each subpixel includes an electroactive layer on the base substrate; and a light transmission layer on the base substrate configured to be actuated by the electroactive layer so that light transmittance of the light transmission layer in the at least one subpixel changes in response to a change in an electrical signal applied to the electroactive layer to achieve levels of gray scale; wherein the light transmission layer is reversibly deformable.

Abstract: The present disclosure provides a handwritten screen and a control display device. The handwritten screen includes a plurality of pixels arranged in an array, and a first substrate and a second substrate both being electrically insulating and thermally conductive. Each of the plurality of pixels includes a thermoelectric generator and a display unit connected with each other, the thermoelectric generator and the display unit are between the first substrate and the second substrate, and the thermoelectric generator generates an electric filed once there is a difference between a temperature of the first substrate and a temperature of the second substrate, so as to supply power to the display unit. The present disclosure effectively utilizes a difference in temperature between a finger (i.e., the first substrate) and an external environment (i.e., the second substrate) during touch, and converts thermal energy into electrical energy to perform thermoelectric power generation.

Abstract: The present application discloses a display panel free of a liquid crystal layer including a base substrate, and an array of a plurality of pixels on the base substrate, each of the plurality of pixels comprising at least one subpixel. Each subpixel includes an electroactive layer on the base substrate; and a light transmission layer on the base substrate configured to be actuated by the electroactive layer so that light transmittance of the light transmission layer in the at least one subpixel changes in response to a change in an electrical signal applied to the electroactive layer to achieve levels of gray scale; wherein the light transmission layer is reversibly deformable.

Abstract: A display device includes a housing. A plurality of display screens are provided in the housing, and each display screen includes a transparent display panel. The housing is provided with a viewing portion for viewing an image displayed on the transparent display panel, the plurality of display screens are successively arranged in a direction leaving away from the viewing portion, a plurality of the transparent display panels are configured for respectively displaying images at different depths of field in a same scene, and the image displayed on the transparent display panel has a depth of field which is associated with a distance between the transparent display panel and the viewing portion.

Abstract: Embodiments of the present disclosure relate to a backlight module and a display device. The backlight module includes a light source and a light guide plate, the light source provided on at least one side of the light guide plate, wherein a side of the light guide plate facing the light source includes a light receiving surface facing the light source and a light reflecting surface above the light receiving surface, wherein an angle formed by the light receiving surface and the light reflecting surface in a direction toward inside of the light guide plate is an obtuse angle. According to the backlight module and the display device provided by the present disclosure, light waste may be reduced and the utilization ratio of light energy may be improved.

Abstract: A display panel and a method for manufacturing the same, an electronic paper and a driving method thereof are provided. The display panel includes: a first base substrate, a second base substrate arranged oppositely to the first base substrate, and multiple temperature-induced transmittance reversible components which not contacted with each other and arranged in an array between the first base substrate and the second base substrate. Each of the temperature-induced transmittance reversible components includes: a temperature-induced transmittance reversible unit and a temperature control unit. The temperature control unit is used to adjust temperature of the temperature-induced transmittance reversible unit to control transmittance of the temperature-induced transmittance reversible unit with respect to the visible light.