Abstract: A color conversion substrate and a display device are provided. The color conversion substrate includes a base substrate, a first color filter and a second color filter disposed on a surface of the base substrate, a first partition layer disposed between the first color filter and the second color filter, a second partition layer disposed on the first partition layer, a first wavelength conversion pattern disposed on the first color filter and a second wavelength conversion pattern disposed on the second color filter, wherein the first partition layer includes a first lower surface disposed on the first color filter and a second lower surface disposed on the second color filter.

Abstract: A sterilization module including a main body, a circuit board disposed in the main body, a light source disposed on the circuit board to emit sterilizing light, and a transparent unit to protect the light source from an outside and including a material that transmits the sterilizing light, in which the light source includes a mesa including a first semiconductor layer, an active layer, and a second semiconductor layer, a first electrode electrically connected to the first semiconductor layer, and a second electrode disposed on the second semiconductor layer and electrically connected to the second semiconductor layer, in which the first electrode includes a first contact region disposed on the outer area of the first semiconductor layer and a second contact region at least partially surrounded by the mesa, and a distance between the transparent unit and the circuit board is greater than a height of the light source.

Abstract: A sterilization module including a main body, a circuit board disposed in the main body, a light source disposed on the circuit board to emit sterilizing light, and a transparent unit to protect the light source from an outside and including a material that transmits the sterilizing light, in which the light source includes a mesa including a first semiconductor layer, an active layer, and a second semiconductor layer, a first electrode electrically connected to the first semiconductor layer, and a second electrode disposed on the second semiconductor layer and electrically connected to the second semiconductor layer, in which the first electrode includes a first contact region disposed on the outer area of the first semiconductor layer and a second contact region at least partially surrounded by the mesa, and a distance between the transparent unit and the circuit board is greater than a height of the light source.

Abstract: A sterilization module including a main body including an ultraviolet outlet, a transparent member disposed on the ultraviolet outlet to transmit ultraviolet light, and a light source unit irradiating ultraviolet light toward the transparent member, and a sealing member, in which the light source unit includes a circuit board and a light emitting diode chip mounted thereon and including an epitaxial substrate, a conductive semiconductor layer electrically connected to the circuit board directly by an electrode, ultraviolet light is c irradiated toward the transparent member by passing through the epitaxial substrate, the sealing member is disposed between the transparent member and the circuit board, and a distance between the transparent member and the circuit board spaced apart from each other by the sealing member is greater than a height of the light emitting diode chip.

Abstract: An air purifier including a body including a suction port and a discharge port disposed on opposing surfaces thereof, and having an inner space through which air flows from the suction port to the discharge port, a fan disposed in the inner space and having a side surface separated from an inner wall of the body, at least one light source module disposed in the inner space to emit UV light, a power controller mounted on the inner wall and connected to a power source to supply electric power to the light source module, a cover mounted on the inner wall to cover the power controller, and at least one filter disposed in the inner space of the body, in which the cover includes a tilted air flow guide facet to guide tilted to allow air suctioned through the suction port toward the filter.

Abstract: A sterilization module including a main body including an ultraviolet outlet, a transparent member disposed on the ultraviolet outlet to transmit ultraviolet light, and a light source unit irradiating ultraviolet light toward the transparent member, and a sealing member, in which the light source unit includes a circuit board and a light emitting diode chip mounted thereon and including an epitaxial substrate, a conductive semiconductor layer electrically connected to the circuit board directly by an electrode, ultraviolet light is c irradiated toward the transparent member by passing through the epitaxial substrate, the sealing member is disposed between the transparent member and the circuit board, and a distance between the transparent member and the circuit board spaced apart from each other by the sealing member is greater than a height of the light emitting diode chip.