Abstract: A stretchable display device is provided. The display device includes a stretchable display panel, a flexible printed circuit board connected to the stretchable display panel, and a connecting circuit connecting the stretchable display panel and the flexible printed circuit board. The flexible printed circuit board includes a non-deformation region and a deformation region outside the non-deformation region. The flexible printed circuit board further includes a stretchable base substrate, a circuit component on the base substrate, and a compensating layer on the base substrate. The compensating layer is locally disposed in the non-deformation region and the circuit component is locally disposed in the non-deformation region.

Abstract: A stretchable display device is provided. The display device includes a stretchable display panel, a flexible printed circuit board connected to the stretchable display panel, and a connecting circuit connecting the stretchable display panel and the flexible printed circuit board. The flexible printed circuit board includes a non-deformation region and a deformation region outside the non-deformation region. The flexible printed circuit board further includes a stretchable base substrate, a circuit component on the base substrate, and a compensating layer on the base substrate. The compensating layer is locally disposed in the non-deformation region and the circuit component is locally disposed in the non-deformation region.

Abstract: A light controlling apparatus includes first and second substrates facing each other; a first electrode on the first substrate; a second electrode on the second substrate; and a liquid crystal layer between the first electrode and the second electrode, the liquid crystal layer including cholesteric liquid crystals, wherein the cholesteric liquid crystals have a focal conic state in a light shielding mode in case where no voltage is applied, and have a homeotropic state in a transparent mode in case where a voltage is applied.

Abstract: A transparent display device including an emitting area and a transmitting area is provided. An upper AR structure is disposed on an upper substrate. The upper AR structure includes an upper reflection-preventing layer and an upper color-compensating layer having a blue dye. As a result, the transparency of the transmitting area is increased.

Abstract: A transparent display device including an emitting area and a transmitting area is provided. An upper AR structure is disposed on an upper substrate. The upper AR structure includes an upper reflection-preventing layer and an upper color-compensating layer having a blue dye. As a result, the transparency of the transmitting area is increased.

Abstract: A light controlling apparatus includes a first electrode on a first substrate; a first alignment film on the first electrode; a second electrode on a second substrate facing the first substrate; a second alignment film on the second electrode; and a guest-host liquid crystal layer having cholesteric liquid crystals and dichroic dyes between the first and second alignment films. The first and second electrodes provide a vertical electric field, and at least one of the first and second electrodes provides a horizontal electric field. The cholesteric liquid crystals have a homeotropic state when an electric field in a first direction is applied to the guest-host liquid crystal layer to realize a transparent mode. The cholesteric liquid crystals have a focal conic state when an electric field in a second direction is applied to realize a light shielding mode. A same state is maintained when no electric field is applied.

Abstract: A light controlling apparatus includes a first electrode on a first substrate; a first alignment film on the first electrode; a second electrode on a second substrate facing the first substrate; a second alignment film on the second electrode; and a guest-host liquid crystal layer having cholesteric liquid crystals and dichroic dyes between the first and second alignment films. The first and second electrodes provide a vertical electric field, and at least one of the first and second electrodes provides a horizontal electric field. The cholesteric liquid crystals have a homeotropic state when an electric field in a first direction is applied to the guest-host liquid crystal layer to realize a transparent mode. The cholesteric liquid crystals have a focal conic state when an electric field in a second direction is applied to realize a light shielding mode. A same state is maintained when no electric field is applied.

Abstract: A light controlling apparatus includes first and second substrates facing each other; a first electrode on the first substrate; a second electrode on the second substrate; and a liquid crystal layer between the first electrode and the second electrode, the liquid crystal layer including cholesteric liquid crystals, wherein the cholesteric liquid crystals have a focal conic state in a light shielding mode in case where no voltage is applied, and have a homeotropic state in a transparent mode in case where a voltage is applied.