A display device includes a polymer layer including dichroic dyes and a liquid crystal, which is not mixed or reacted with the polymer layer, dispersed in the polymer layer. The polymer and the liquid crystal have different refractive indices from each other.

A light control device and a transparent display device including the same are discussed. In the light control device, a sealant uniformly spreads in a bonding process. The light control device includes a first substrate and a second substrate facing each other, a first electrode over one surface of the first substrate facing the second substrate, a second electrode over one surface of the second substrate facing the first substrate, a liquid crystal layer between the first electrode and the second electrode, a sealant sealing a plurality of liquid crystal cells between the first substrate and the second substrate, a first dam structure in a boundary between the sealant and the liquid crystal, and a second dam structure surrounding an outer side of the sealant. The liquid crystal layer transmits or blocks light, and the first dam structure surrounds an inner side of the sealant contacting the liquid crystal cells.

An method and apparatus are provided. The method includes, at an apparatus, determining a display mode to present content, selecting, based at least in part on the display mode, a display from a display module comprising a plurality of stacked displays, operatively coupled with the apparatus, and presenting at least a part of the content via the display.

An imaging system and an electronic apparatus are provided and include an image pickup device including a plurality of pixels; a variable filter provided on a light receiving face of the image pickup device, the variable filter is configured to selectively transmit incident light; wherein the image pickup device is coupled to the variable filter via an anisotropic conductive film and a connection bump.

A camera system includes an image sensor assembly and a tunable optical element. The tunable optical element is a polymer dispersed liquid crystal lens doublet using a PDLC layer. The doublet is tunable by applying an electric field to the optical element via a control element. The control element applies a voltage differential to the optical element inducing an electric field which changes the polarization of the PDLC within the optical element. The refractive index of the lens doublet is dependent on the polarization of the liquid crystals within the optical element. Applying the electric field to the tunable element changes the optical properties of the lens doublet.

A camera system includes an image sensor assembly and a tunable optical element. The tunable optical element is a holographic polymer dispersed liquid crystal diffraction grating of alternating PDLC layers. The diffraction grating is tunable by applying an electric field to the optical element via a control element. The control element applies a voltage differential to the optical element inducing an electric field which changes the polarization of the PDLC within the optical element. The refractive index of the holographic grating is dependent on the polarization of the liquid crystals within the optical element. Applying the electric field to the tunable element changes the optical properties of the grating.

A camera system includes an image sensor assembly and a tunable optical element. The tunable optical element is a polymer dispersed liquid crystal lens doublet using a PDLC layer. The doublet is tunable by applying an electric field to the optical element via a control element. The control element applies a voltage differential to the optical element inducing an electric field which changes the polarization of the PDLC within the optical element. The refractive index of the lens doublet is dependent on the polarization of the liquid crystals within the optical element. Applying the electric field to the tunable element changes the optical properties of the lens doublet.

A camera system includes an image sensor assembly and a tunable optical element. The tunable optical element is a gradient index (GRIN) lens created from a polymer dispersed liquid crystal and a coupled control element. The GRIN lens is tunable by applying an electric field to the optical element via a control element. The control element applies a voltage differential to the optical element inducing an electric field which changes the polarization of the PDLC within the optical element. The electrodes of the control element can include sheet resistors with a radially dependent voltage drop. The refractive index of the GRIN lens is dependent on the polarization of the liquid crystals within the optical element. Applying the electric field to the tunable element changes the optical properties of the grating.

A camera system includes an image sensor assembly and a tunable optical element. The tunable optical element is a doublet prism including one polymer dispersed liquid crystal layer. The doublet prism is tunable by applying an electric field to the optical element via a control element. The control element applies a voltage differential to the optical element inducing an electric field which changes the polarization of the PDLC within the optical element. The refractive index of the doublet prism is dependent on the polarization of the liquid crystals within the optical element. Applying the electric field to the tunable element changes the optical properties of the doublet prism.

A camera system includes an image sensor assembly and a tunable optical element. The tunable optical element is a polymer dispersed liquid crystal gradient index (GRIN) prism. The GRIN prism is tunable by applying an electric field to the optical element via a control element. The control element applies a voltage differential to the optical element inducing an electric field which changes the polarization of the PDLC within the optical element. The control element can include a sheet resistor that has a linearly dependent voltage drop. The refractive index of the GRIN prism is dependent on the polarization of the liquid crystals within the optical element. Applying the electric field to the tunable element changes the optical properties of the GRIN prism.