Abstract: A super-steep switching device and an inverter device using the same are disclosed. The super-steep switching device includes a semiconductor channel disposed on a substrate and made of a semiconductor material having impact ionization characteristic; a source electrode and a drain electrode in contact with the semiconductor channel, wherein the source electrode and the drain electrode are disposed on the substrate and are spaced apart from each other; and a gate electrode disposed on the semiconductor channel so as to overlap only a portion of the semiconductor channel, wherein a top surface of the semiconductor channel includes a first area overlapping the gate electrode, and a second area non-overlapping the gate electrode, wherein a ratio of a length of the first area and a length of the second area is in a range of 1:0.1 to 0.4.

Abstract: The present disclosure relates to a micro light emitting diode (LED) display device including a substrate having a plurality of thin film transistors thereon; a plurality of micro light emitting devices (LEDs) on an upper surface of the substrate, the micro LEDs each having a protecting film provided with a first contact hole to expose a portion of an upper surface of a corresponding micro LED; at least one insulating layer covering the micro LED, the insulating layer provided with a second contact hole to expose a portion of the upper surface of the corresponding micro LED; and a connection electrode in the first contact hole and the second contact hole configured to transfer signals to the micro LED, wherein the first contact hole is larger than the second contact hole.

Abstract: A display device and a manufacturing method of a display device are provided. The display device includes a substrate including a pixel defined thereon; a light emitting diode disposed in the pixel; an insulating layer covering the light emitting diode; a light collecting structure on at least a part of the insulating layer; and a reflective layer disposed at a side surface of the light collecting structure. The side surface of the light collecting structure may have a reverse tapered shape.

Abstract: The present disclosure relates to a micro light emitting diode (LED) display device including a substrate having a plurality of thin film transistors thereon; a plurality of micro light emitting devices (LEDs) on an upper surface of the substrate, the micro LEDs each having a protecting film provided with a first contact hole to expose a portion of an upper surface of a corresponding micro LED; at least one insulating layer covering the micro LED, the insulating layer provided with a second contact hole to expose a portion of the upper surface of the corresponding micro LED; and a connection electrode in the first contact hole and the second contact hole configured to transfer signals to the micro LED, wherein the first contact hole is larger than the second contact hole.

Abstract: The present disclosure relates to a micro light emitting diode (LED) display device including a substrate having a plurality of thin film transistors thereon; a plurality of micro light emitting devices (LEDs) on an upper surface of the substrate, the micro LEDs each having a protecting film provided with a first contact hole to expose a portion of an upper surface of a corresponding micro LED; at least one insulating layer covering the micro LED, the insulating layer provided with a second contact hole to expose a portion of the upper surface of the corresponding micro LED; and a connection electrode in the first contact hole and the second contact hole configured to transfer signals to the micro LED, wherein the first contact hole is larger than the second contact hole.

Abstract: Disclosed is a transparent display device. The transparent display device includes a first display panel, including a transmissive area and an emissive area where a first pixel including a plurality of subpixels displaying an image is provided, and a second display panel including a second pixel provided to overlap the emissive area and the transmissive area of the first display panel, the second display panel being provided on a first surface of the first display panel. The second pixel of the second display panel controls an amount of light incident on the first display panel, thereby preventing a visibility of an image displayed by the first display panel from being reduced by external light.

Abstract: A display device including a display module and an eyepiece lens is provided. A user can view an image realized by the display module through the eyepiece lens. In the display play according to the present disclosure, a path of a light moving from the display module to the eyepiece lens may be increased by a half-mirror and a reflective polarizing plate which are located between the display module and the eyepiece lens. Thus, in the display device according to the present disclosure, the overall thickness may be decreased without degrading the quality of the image realized by the display module.

Abstract: A display device including a display module and an eyepiece lens is provided. A user can view an image realized by the display module through the eyepiece lens. In the display play according to the present disclosure, a path of a light moving from the display module to the eyepiece lens may be increased by a half-mirror and a reflective polarizing plate which are located between the display module and the eyepiece lens. Thus, in the display device according to the present disclosure, the overall thickness may be decreased without degrading the quality of the image realized by the display module.

Abstract: Disclosed is a transparent display device. The transparent display device includes a first display panel, including a transmissive area and an emissive area where a first pixel including a plurality of subpixels displaying an image is provided, and a second display panel including a second pixel provided to overlap the emissive area and the transmissive area of the first display panel, the second display panel being provided on a first surface of the first display panel. The second pixel of the second display panel controls an amount of light incident on the first display panel, thereby preventing a visibility of an image displayed by the first display panel from being reduced by external light.

Abstract: A field sequential liquid crystal display device includes a circuit unit producing RGB reference voltages and scanning signal voltages using RGB data and control signals, a liquid crystal display panel changing alignment direction of liquid crystal molecules in accordance with the RGB reference voltages and the scanning signal voltages, and a backlight device emitting light to the liquid crystal display panel, wherein the circuit unit includes an interface receiving the RGB data and the control signals, a timing controller generating gate control signals and data control signals, at least two gamma generating units generating the RGB reference voltages, a switch selecting one of the RGB reference voltages, a data driver receiving the data control signal and the selected RGB reference voltage selected from the switch, and supplying an RGB image voltage to the liquid crystal display panel in accordance with the selected RGB reference voltage and the data control signal, and a gate driver receiving the gate cont

Abstract: A liquid crystal display device displaying a three-dimensional image using a left-eye image and a right-eye image includes a liquid crystal panel including first and second substrates that are spaced apart from each other; a patterned retarder disposed over the liquid crystal panel; and an optical member disposed under the liquid crystal panel, wherein the optical member includes at least one inclined plane corresponding to each pixel region of the liquid crystal panel.

Abstract: A liquid crystal display device includes a display panel including one or more pixel region partitioned into first, second and third sub-pixels; a backlight including first and second sources for projecting onto the one or more pixel region one of a first light having a first wavelength and a second light having a second wavelength; and a controller for partitioning a four-color pixel data corresponding to a period into first and second data to be applied to the first and second sub-pixels, respectively, during a first part of the period while the backlight projects the first light onto the one or more pixel region, and third and fourth data to be applied to the first and second sub-pixels, respectively, during a second part of the period while the backlight projects the second light onto the one or more pixel region, the controller applying a white data to the third sub-pixel during the first and second parts of the period.

Abstract: A liquid crystal display device displaying a three-dimensional image using a left-eye image and a right-eye image includes a liquid crystal panel including first and second substrates that are spaced apart from each other; a patterned retarder disposed over the liquid crystal panel; and an optical member disposed under the liquid crystal panel, wherein the optical member includes at least one inclined plane corresponding to each pixel region of the liquid crystal panel.

Abstract: An image display device includes a display panel including left-eye horizontal pixel lines displaying a left-eye image and right-eye horizontal pixel lines displaying a right-eye image; a polarizing film disposed over the display panel and linearly polarizing the left-eye image and the right-eye image; a patterned retarder disposed over the polarizing film and including left-eye retarders and right-eye retarders; and a lenticular lens film disposed over the polarizing film and including lenticular lenses, wherein the lenticular lenses correspond to the left-eye retarders and the right-eye retarders, respectively, wherein the lenticular lenses are spaced part from each other.

Abstract: A image display device includes a display panel including a display area and a non-display area, wherein the display area includes left-eye horizontal pixel lines displaying a left-eye image and right-eye horizontal pixel lines displaying a right-eye image; a polarizing film disposed over the display panel, wherein the polarizing film linearly polarizes the left-eye image and the right-eye image; a patterned retarder disposed over the polarizing film and including left-eye retarders and right-eye retarders, wherein the left-eye retarders correspond to the left-eye horizontal pixel lines and change the linearly polarized left-eye image into left-circularly polarized image, and the right-eye retarders correspond to the right-eye horizontal pixel lines and change the linearly polarized image into right-circularly polarized image; and a lenticular lens film disposed over the polarizing film and including lenticular lenses, wherein the lenticular lenses correspond to the left-eye retarders and the right-eye retard

Abstract: A transflective type LCD device including a unit pixel region divided into reflective and transmitting parts includes first and second substrates facing each other, a pixel electrode in the pixel region of first substrate, a reflective sheet in the reflective part of first substrate, a common electrode on the second substrate, at least one first open pattern for forming multi-domains, and the first open pattern in at least one of the pixel and common electrodes, and a plurality of second open patterns for inducing a fringe field, and the second open patterns in the reflective part of at least one of the pixel and common electrodes.

Abstract: A liquid crystal display device includes: a first substrate and a second substrate; a gate line and a data line on the first substrate that cross each other to define a pixel region; a pixel electrode in the pixel region; a thin film transistor at the crossing of the gate and data lines, and connected to the pixel electrode; at least one first electric field distortion unit in the pixel electrode to control a liquid crystal director by electric field distortion; a second electric field distortion unit between the pixel electrode and the first substrate; and a layer of liquid crystal molecules between the first and second substrates.

Abstract: A backlight device for a liquid crystal display device includes a light source providing light; a light waveguide plate 40 guiding light from the light source, having an emitting surface, a front surface and a bottom surface, the emitting surface adjacent to the light source; a reflector arranged under the bottom surface of the light wave guide plate, reflecting light; and at least one cholesteric liquid crystal (CLC) film arranged over the front surface of the light wave guide plate, collimating light.

Abstract: A liquid crystal display device includes: upper and lower substrates facing and spaced apart from each other; a liquid crystal layer between the upper and lower substrates; an upper polarizing plate on an outer surface of the upper substrate; and a lower polarizing plate on an outer surface of the lower substrate, wherein one of the upper and lower polarizing plates includes a first polarizing layer having a first optical axis and a first absorption axis perpendicular to each other, and an other of the upper and lower polarizing plates includes a second polarizing layer having a second optical axis and a second absorption axis parallel to each other.

Abstract: A transflective type LCD device including a unit pixel region divided into reflective and transmitting parts includes first and second substrates facing each other, a pixel electrode in the pixel region of first substrate, a reflective sheet in the reflective part of first substrate, a common electrode on the second substrate, at least one first open pattern for forming multi-domains, and the first open pattern in at least one of the pixel and common electrodes, and a plurality of second open patterns for inducing a fringe field, and the second open patterns in the reflective part of at least one of the pixel and common electrodes.