Abstract:
A polarization control unit which prevents moire and a 2D and 3D image display device having the same are provided. The polarization control unit in one example includes first and second substrates positioned opposite to each other, a first electrode disposed on a surface of the first substrate, a second electrode disposed on a surface of the second substrate, and a polymer-dispersed liquid crystal layer disposed between the first and second electrodes. The polymer-dispersed liquid crystal layer can include partition walls supporting the first and second substrates, and liquid crystal molecules arranged in a space defined by the partition walls. The partition walls can be arranged to form a inclination angle with the vertical plane.
Abstract:
Disclosed herein is a display device capable of recognizing a fine fingerprint without a complicated construction such as a bulky optical device. The display device comprises a display panel having a display area and a non-display area outside the display area; a light source disposed below the non-display area of the display panel to irradiate the display panel with light; a directional light unit disposed on an upper portion of the display panel, refracting the light supplied from the light source at a first angle to travel from the non-display area to the display area in total internal reflection, reflecting some of the totally internally reflected light at a second angle, and then supplying a light reflected by an object having biometric information to the display panel; and an optical sensor disposed below the display panel and receiving the light exited from the directional light unit.
Abstract:
The present disclosure relates to a flat panel display having an optical imaging sensor such as a fingerprint image sensor. The present disclosure provides a flat panel display having an image sensor comprising: a display panel including a display area and a non-display area, the display panel having a top surface; a directional optical unit attached to the top surface of the display panel, the directional optical unit having a length along a length axis of the display panel, a width along a width axis of the display panel and a thickness along a thickness axis of the display panel; a sensing light control film disposed under the display panel; and an image sensor disposed under the sensing light control film.
Abstract:
A display device includes a light emitting element layer, an intermediate layer disposed on the light emitting element layer, a lens layer having a convex shape and disposed on the intermediate layer to correspond to the light emitting element layer, and a lens protecting layer disposed on the intermediate layer and configured to cover the lens layer, wherein a total reflection of light output from a light emitting area of the light emitting element layer does not occur on an interface between the lens layer and the lens protecting layer.
Abstract:
The present disclosure relates to a flat panel display embedding an optical imaging sensor such as a fingerprint image sensor. The present disclosure suggests a flat panel type optical image sensor comprising: a cover plate having a sensing area; a light incident film disposed at a side under the cover plate; a light radiating film disposed under the cover plate corresponding to the sensing area; a low refractive layer under the light incident film and the light radiating film; a light source disposed under the light incident film; and a light sensor disposed under the light incident film.
Abstract:
The present disclosure relates to a flat panel display embedding an optical imaging sensor such as a fingerprint image sensor. The present disclosure provides a flat panel display embedding an optical image sensor comprising: a display panel including a display area and a sensing area defined in the display area; a barrier plate having a light transparent area corresponding to the sensing area and disposed at a rear surface of the display panel; and a light sensor disposed under the barrier plate corresponding to the light transparent area.
Abstract:
Discussed is a flat panel display device embedding an optical imaging sensor such as a fingerprint image sensor. The device includes: a display panel including a display area and a non-display area, and having a top surface; and a directional optical unit attached to the top surface of the display panel, the directional optical unit having a length along a length axis of the display panel, a width along a width axis of the display panel and a thickness along a thickness axis of the display panel, wherein the directional optical unit provides a sensing light to the display area, and wherein the sensing light is collimated and directionized along a predetermined direction of the directional optical unit.
Abstract:
A touch display device includes a base substrate having a display area and a non-display area, a plurality of light emitting elements disposed in the display area, an encapsulation layer dispose to cover the plurality of light emitting elements, a plurality of touch electrodes having a mesh shape and disposed on the encapsulation layer, and a plurality of lens layers having a convex shape and disposed inside the touch electrode while being disposed on the encapsulation layer.
Abstract:
The present disclosure relates to a flat panel display with an optical image sensor embedded therein. The flat panel display includes a directional light unit. The directional light unit comprises a cover substrate with a surface area corresponding to the length and width; a first low refractive index layer attached to the lower surface of the cover substrate; a light-exiting element disposed to correspond to the display area, on the lower surface of the first low refractive index layer; a light-entering element disposed outside the display area at one side of the light-exiting element, on the lower surface of the first low refractive index layer; a second low refractive index layer disposed on the lower surfaces of the light-exiting element and light-entering element and attached to the upper surface of the display panel; and a light source disposed to face the light-entering element.
Abstract:
The present disclosure relates to an autostereoscopic three-dimensional (or, 3D) display using a switchable barrier. The present disclosure provides an autostereoscopic 3D display comprising: a display panel including a plurality of pixels arrayed in a matrix manner; and a switchable barrier disposed on a front surface of the display panel, wherein the switchable barrier includes: a lower substrate having first lower electrodes, a first passivation layer covering the first lower electrodes, second lower electrodes on the first passivation layer, a second passivation layer covering the second lower electrodes, and third lower electrodes on the second passivation layer; an upper substrate having an upper electrode facing with the first lower electrodes, the second lower electrodes and the third lower electrodes; and a liquid crystal layer disposed between the lower substrate and the upper substrate.