Abstract: A liquid crystal display (LCD) is provided, comprising a LCD panel, and a color enhancement film disposed on a light exit surface of the LCD panel. The color enhancement film includes a substrate, a strip-shaped micro-prism layer, and a filling layer. The strip-shaped micro-prism layer has a plurality of strip-shaped micro-prisms arranged in a first direction, and each of the strip-shaped micro-prisms has at least one inclined light-guide surface, and the inclined light-guide surface has an included angle with a normal direction of a surface of the color enhancement film on a cross section perpendicular to the first direction, wherein, the strip-shaped micro-prism layer has a first refractive index n1, the filling layer has a second refractive index n2, and n2 is more than n1. The LCD can improve the color-shift problem at side viewing angles without affecting the display quality of the front viewing angles.

Abstract: An optical film includes a first diffraction layer, a second diffraction layer, and a cover layer. The first diffraction layer includes a plurality of first diffraction gratings arranged in a direction on a surface thereof. The second diffraction layer is filled in the gap of the first diffraction gratings of the first diffraction layer and forms a plurality of second diffraction gratings arranged in a direction on the first diffraction layer, wherein the directions of the first diffraction gratings and the second diffraction gratings are parallel to each other. The cover layer fills and planarizes the second diffraction gratings of the second diffraction layer. The optical film can reduce the light leakage defect of a conventional liquid crystal display in a wide viewing angle and make the liquid crystal display have a uniform dark-state image and color image quality.

Abstract: An optical film includes a first diffraction layer, a second diffraction layer, and a cover layer. The first diffraction layer includes a plurality of first diffraction gratings arranged in the same direction on a surface thereof. The second diffraction layer includes a plurality of second diffraction gratings arranged in the same direction gap-filled the first diffraction gratings of the first diffraction layer, wherein the directions of the first diffraction gratings and the second diffraction gratings are parallel to each other. The cover layer is formed on the second diffraction gratings of the second diffraction layer. At least one of the first diffraction layer, the second diffraction layer and the cover layer contains dyes, and therefore, the optical film can reduce the light leakage defect of a conventional liquid crystal display in a large viewing angles and make the liquid crystal display have uniform dark-state images and colorful images.

Abstract: A light redirecting film and a method for manufacturing the same are provided. The light redirecting film comprises a substrate, a first diffraction grating layer of a first curable resin on the substrate and a second diffraction grating layer of a second curable resin on the first diffraction grating layer. Wherein the grating directions of the first diffraction grating layer and the second diffraction grating layer cross each other at an angle of 90±10°, and the difference of the refractive index of the first curable resin and the second curable resin is no less than 0.1 and no more than 0.3.

Abstract: A light redirecting film in a sandwich-laminated structure is provided. The light redirecting film comprises a first layer, a second layer; and an intermediate layer sandwiched between the first layer and the second layer. The intermediate layer includes a first grating surface having a plurality of first gratings extending in a first grating direction and a second grating surface opposite to the first grating surface having a plurality of second gratings extending in a second grating direction, wherein the first grating direction and the second grating direction cross each other at an angle of 90°±10°, and the first grating surface and the second grating surface of the intermediate layer are gap-filled and planarized with the first layer and the second layer respectively to generate the light redirecting film.

Abstract: A light redirecting film in a sandwich-laminated structure is provided. The light redirecting film comprises a first layer, a second layer; and an intermediate layer sandwiched between the first layer and the second layer. The intermediate layer includes a first grating surface having a plurality of first gratings extending in a first grating direction and a second grating surface opposite to the first grating surface having a plurality of second gratings extending in a second grating direction, wherein the first grating direction and the second grating direction cross each other at an angle of 90°±10°, and the first grating surface and the second grating surface of the intermediate layer are gap-filled and planarized with the first layer and the second layer respectively to generate the light redirecting film.

Abstract: A light redirecting film and a method for manufacturing the same are provided. The light redirecting film comprises a substrate, a first diffraction grating layer of a first curable resin on the substrate and a second diffraction grating layer of a second curable resin on the first diffraction grating layer. Wherein the grating directions of the first diffraction grating layer and the second diffraction grating layer cross each other at an angle of 90±10°, and the difference of the refractive index of the first curable resin and the second curable resin is no less than 0.1 and no more than 0.3.

Abstract: A light redirecting film and a method for manufacturing the same are provided. The light redirecting film comprises a substrate, a first diffraction grating layer of a first curable resin on the substrate and a second diffraction grating layer of a second curable resin on the first diffraction grating layer. Wherein the grating directions of the first diffraction grating layer and the second diffraction grating layer cross each other at an angle of 90±10°, and the difference of the refractive index of the first curable resin and the second curable resin is no less than 0.1 and no more than 0.3.

Abstract: An optical film includes a first diffraction layer, a second diffraction layer, and a cover layer. The first diffraction layer includes a plurality of first diffraction gratings arranged in a direction on a surface thereof. The second diffraction layer is filled in the gap of the first diffraction gratings of the first diffraction layer and forms a plurality of second diffraction gratings arranged in a direction on the first diffraction layer, wherein the directions of the first diffraction gratings and the second diffraction gratings are parallel to each other. The cover layer fills and planarizes the second diffraction gratings of the second diffraction layer. The optical film can reduce the light leakage defect of a conventional liquid crystal display in a wide viewing angle and make the liquid crystal display have a uniform dark-state image and color image quality.

Abstract: A light redirecting film in a sandwich-laminated structure is provided. The light redirecting film comprises a first layer, a second layer; and an intermediate layer sandwiched between the first layer and the second layer. The intermediate layer includes a first grating surface having a plurality of first gratings extending in a first grating direction and a second grating surface opposite to the first grating surface having a plurality of second gratings extending in a second grating direction, wherein the first grating direction and the second grating direction cross each other at an angle of 90°±10°, and the first grating surface and the second grating surface of the intermediate layer are gap-filled and planarized with the first layer and the second layer respectively to generate the light redirecting film.

Abstract: An optical film includes a first diffraction layer, a second diffraction layer, and a cover layer. The first diffraction layer includes a plurality of first diffraction gratings arranged in the same direction on a surface thereof. The second diffraction layer includes a plurality of second diffraction gratings arranged in the same direction gap-filled the first diffraction gratings of the first diffraction layer, wherein the directions of the first diffraction gratings and the second diffraction gratings are parallel to each other. The cover layer is formed on the second diffraction gratings of the second diffraction layer. At least one of the first diffraction layer, the second diffraction layer and the cover layer contains dyes, and therefore, the optical film can reduce the light leakage defect of a conventional liquid crystal display in a large viewing angles and make the liquid crystal display have uniform dark-state images and colorful images.

Abstract: A one-way vision system includes a light valve device, a first illumination device, and a control module electrically connected to the light valve device and the first regulating module of the first illumination device for synchronously controlling switching frequency and time sequence of the light valve device and the first illumination device. Therefore, the one-way vision window system provides well anti-peeping effect without interfering from the external light of the present system.

Abstract: A one-way vision system includes an indoor lighting, a light valve device, and a control module electrically connecting to the indoor lighting and the light valve device, and synchronously controlling power switch of the indoor lighting and switching frequency of the light valve device. Therefore, the higher brightness indoor still has an excellent effect of secret in the condition of lower brightness outdoors.

Abstract: A projection system includes a light source, a projection screen having a laminated structure including a light switching device and a light absorbing layer, a projector device, and a control module electrically connected to the light source and the light switching device of the projection screen for synchronously controlling the switching frequency and time sequence of the light source and the light switching device. The projection system can provide an image with better contrast and color saturation in the condition of bright environment.

Abstract: A one-way vision system includes an indoor lighting, a light valve device, and a control module electrically connecting to the indoor lighting and the light valve device, and synchronously controlling power switch of the indoor lighting and switching frequency of the light valve device. Therefore, the higher brightness indoor still has an excellent effect of secret in the condition of lower brightness outdoors.

Abstract: A one-way vision system includes a light valve device, a first illumination device, and a control module electrically connected to the light valve device and the first regulating module of the first illumination device for synchronously controlling switching frequency and time sequence of the light valve device and the first illumination device. Therefore, the one-way vision window system provides well anti-peeping effect without interfering from the external light of the present system.

Abstract: Disclosed is a light switching module comprising a polarizing element with a patterned retarder having a variable first optical axis; a retardation element having a variable second optical axis and a scattering microstructure; and a shifting means for adjusting the relative position of the polarizing element and the retardation element to switch the light switching module to transparent state or scattering state.

Abstract: The present invention is to provide a transflective light adjusting film, which includes a transparent substrate and a plurality of transparent grating-like stripe structures which are parallel to each other on the substrate. The transparent grating-like stripe structures have a plurality of top surfaces and a plurality of grooved surfaces, wherein a reflective layer is disposed on the grooved surfaces.

Abstract: Disclosed is a light switching module comprising a polarizing element with a patterned retarder having a variable first optical axis; a retardation element having a variable second optical axis and a scattering microstructure; and a shifting means for adjusting the relative position of the polarizing element and the retardation element to switch the light switching module to transparent state or scattering state.

Abstract: A light guide tape for using on bus bars of solar panels to increase the utilization efficiency of the incident sunlight is disclosed. The light guide tape includes a flexible transparent substrate with a plurality of light guide micro-structures on the side of the incident sunlight, and an adhesive layer. The incident sunlight shielded by the bus bars of the solar cells can transfer to generating regions of both sides of the bus bars through the plurality of light guide micro-structures to increase the utilization efficiency of the incident sunlight.