Abstract: A display device according to an example of the present disclosure includes a substrate on which a plurality of sub-pixels are defined; a plurality of LEDs including a first LED, a second LED, and a third LED that are disposed in the plurality of respective sub-pixels on the substrate; and at least one buffer layer disposed between the first LED and the substrate, wherein the first LED is in contact with an upper surface of the at least one buffer layer, and the second LED and the third LED are in contact with an upper surface of the substrate. Accordingly, the plurality of LEDs emitting light of different colors using the buffer layer can be respectively formed on one substrate, thereby allow for omission of a transfer process.

Abstract: A display device according to an embodiment of the present disclosure includes a substrate on which a plurality of sub-pixels are defined, a plurality of LEDs disposed in each of the plurality of sub-pixels, and a plurality of color conversion layers covering the plurality of LEDs. The plurality of color conversion layers each include a plurality of color conversion material layers that are stacked to be spaced apart from each other. Accordingly, according to the present disclosure, it is possible to minimize or reduce light lost inside the color conversion layer by separating the plurality of color conversion material layers from each other, and improve color conversion efficiency and luminance.

Abstract: A viewing angle control film and a display device including the viewing angle control film are discussed. The viewing angle control film can include a first electrode, a second electrode spaced apart from and facing the first electrode, a light conversion layer disposed between the first electrode and the second electrode, and a control unit configured to adjust a viewing angle of the light conversion layer by adjusting a voltage applied between the first electrode and the second electrode. The light conversion layer can include a plurality of partition walls disposed to be spaced apart between the first electrode and the second electrode, a plurality of containing portions disposed between partition walls and disposed with predetermined gaps along the first electrode, and dispersion liquid, light blocking particles and liquid crystals disposed in each of the plurality of containing portions.

Abstract: Provided is a display device. The display device includes a first substrate and a second substrate which are formed of different materials; a first LED disposed on the first substrate; and a second LED and a third LED disposed on the second substrate, in which the first LED, the second LED, and the third LED are disposed between the first substrate and the second substrate. Therefore, in consideration of the growth efficiency of the LEDs which emit different colored light, the first LED is disposed on the first substrate and the second LED and the third LED are disposed on the second substrate which is formed of a different material from the first substrate, thereby improving the growth efficiency of the plurality of LEDs.

Abstract: A display device comprises a substrate having a plurality of sub-pixels; a plurality of LEDs respectively disposed in the plurality of sub-pixels, wherein each of the LEDs comprises an emissive layer, a first semiconductor layer between the substrate and the emissive layer and a second semiconductor layer on the emissive layer; a plurality of driving units disposed under the substrate in each of the sub-pixels; and a plurality of connection units penetrating the substrate and electrically connecting at least one of the first semiconductor layer and the second semiconductor layer with the plurality of driving units.

Abstract: A display device according to an example of the present disclosure includes a substrate on which a plurality of sub-pixels are defined; a plurality of LEDs including a first LED, a second LED, and a third LED that are disposed in the plurality of respective sub-pixels on the substrate; and at least one buffer layer disposed between the first LED and the substrate, wherein the first LED is in contact with an upper surface of the at least one buffer layer, and the second LED and the third LED are in contact with an upper surface of the substrate. Accordingly, the plurality of LEDs emitting light of different colors using the buffer layer can be respectively formed on one substrate, thereby allow for omission of a transfer process.

Abstract: A light emission element includes a first semiconductor layer, a light emission layer, and a second semiconductor layer. The first semiconductor layer in the light emission portion is provided with a concave portion having a concave shape. The light emission layer and the second semiconductor layer disposed on the first semiconductor layer are also disposed along the concave shape of the concave portion. The light emitting layer disposed along the shape of the concave portion emits light by electrons and holes injected from the first semiconductor layer and the second semiconductor layer. Further, the light path of the light emitted according to the concave shape is adjusted. Therefore, a light emission element having improved light efficiency and a display device using the same can be provided.

Abstract: Discussed herein is a transparent light emitting diode (LED) display device. A capacitor of a pixel-driving circuit is integrated with an LED, and thus that the area of the pixel-driving circuit is reduced, and the transmission area is increased. In this manner, it is possible to achieve high transmittance without compromising the display quality.

Abstract: A light emission element includes a first semiconductor layer, a light emission layer, and a second semiconductor layer. The first semiconductor layer in the light emission portion is provided with a concave portion having a concave shape. The light emission layer and the second semiconductor layer disposed on the first semiconductor layer are also disposed along the concave shape of the concave portion. The light emitting layer disposed along the shape of the concave portion emits light by electrons and holes injected from the first semiconductor layer and the second semiconductor layer. Further, the light path of the light emitted according to the concave shape is adjusted. Therefore, a light emission element having improved light efficiency and a display device using the same can be provided.

Abstract: Provided is a display device. The display device includes a first substrate and a second substrate which are formed of different materials; a first LED disposed on the first substrate; and a second LED and a third LED disposed on the second substrate, in which the first LED, the second LED, and the third LED are disposed between the first substrate and the second substrate. Therefore, in consideration of the growth efficiency of the LEDs which emit different colored light, the first LED is disposed on the first substrate and the second LED and the third LED are disposed on the second substrate which is formed of a different material from the first substrate, thereby improving the growth efficiency of the plurality of LEDs.

Abstract: A display device comprises a substrate having a plurality of sub-pixels; a plurality of LEDs respectively disposed in the plurality of sub-pixels, wherein each of the LEDs comprises an emissive layer, a first semiconductor layer between the substrate and the emissive layer and a second semiconductor layer on the emissive layer; a plurality of driving units disposed under the substrate in each of the sub-pixels; and a plurality of connection units penetrating the substrate and electrically connecting at least one of the first semiconductor layer and the second semiconductor layer with the plurality of driving units.

Abstract: A light source module having high efficiency and high heat dissipation characteristics and a backlight unit and a liquid crystal display device including the same are disclosed. The light source module comprises light sources packaged in a printed circuit board, and an encapsulation film surrounding the light sources, wherein the light sources have a triangular prism shape.

Abstract: A light source module having high efficiency and high heat dissipation characteristics and a backlight unit and a liquid crystal display device including the same are disclosed. The light source module comprises light sources packaged in a printed circuit board, and an encapsulation film surrounding the light sources, wherein the light sources have a triangular prism shape.

Abstract: There is provided a backlight unit including a cover bottom, at least one pairs of metal boards, each being installed on the cover bottom, having a body part and a bent part bent in one end region of the body part, and including an insulated wire on a surface thereof, at least one LED package mounted on the bent part; and a light guide plate installed at the cover bottom.

Abstract: There is provided a backlight unit including a cover bottom, at least one pairs of metal boards, each being installed on the cover bottom, having a body part and a bent part bent in one end region of the body part, and including an insulated wire on a surface thereof, at least one LED package mounted on the bent part; and a light guide plate installed at the cover bottom.