Embodiments relate to an optical film and a liquid crystal display device comprising the same. More specifically, the embodiments relate to an optical film that is excellent in optical characteristics and has no polarization unevenness since it comprises a base layer that has a low in-plane retardation and a low thickness direction retardation and has an excellent adhesiveness by virtue of a proper level of surface tension, a process for preparing the same, and a liquid crystal display device comprising the same.

A surface light source device comprises: a plurality of light sources configured to emit light toward a light exit surface of the surface light source device; a holding member having an installation surface on which the light sources are installed; and a reflector having a plurality of openings that expose the light sources, respectively, the reflector being arranged to cover the installation surface of the holding member, the reflector including a first reflective sheet having an engagement piece at a peripheral portion of the first reflective sheet and a second reflective sheet adjacent to the first reflective sheet and having an engaged portion that is shiftably engaged with the engagement piece.

A wavelength conversion member comprising: a quantum dot phosphor and a filler; and a cured resin product that contains the quantum dot phosphor and the filler. The content of the filler is 3 mass % or more with respect to the total amount of the cured resin product.

A backlight source, a display module and a display device are provided. Each set of locational fitting structures in the backlight source includes locational accommodation space formed on one of optical film and support, and locational protrusion formed on the other of optical film and support. A set of locational fitting structures meets at least one of: dimensions of locational accommodation space and corresponding locational protrusion in first direction render relative position between optical film and support completely fixed in first direction, dimension of locational accommodation space in first direction is greater than that of corresponding locational protrusion in first direction, dimensions of locational accommodation space and corresponding locational protrusion in second direction render relative position between optical film and support completely fixed in second direction, or, dimension of locational accommodation space in second direction is greater than that of corresponding locational protrusion in second direction.

Display device is provided and includes first substrate; second substrate including transparent conductive film; optical element adhered to transparent conductive film; and connecting member, wherein first substrate includes first region which overlaps second substrate and includes display portion, and second region including electrode, second substrate includes substrate edge located at boundary between first and second regions and the second region in first direction, optical element includes optical element edge located between display portion and substrate edge in second direction intersecting first direction, optical element edge does not overlap substrate edge in plan view, transparent conductive film includes extended portion extending from optical element edge toward substrate edge, connecting member is in contact with substrate edge and electrically connects electrode and extended portion, optical element includes notch, and notch and connecting member are arranged in second direction.

A liquid crystal display apparatus includes: a display panel having a display region and a peripheral region; a front cover; a first buffer member; a panel holder; and a second buffer member. The peripheral region includes four corner portions and four central portions. At least one buffer member of the first buffer member and the second buffer member includes a plurality of cushion members and at least one resin sheet. The at least one buffer member does not include a cushion member formed of a resin between the four corner portions and the front cover or between the four corner portions and the panel holder.

According to one embodiment, a display device includes a first substrate including an electrode, a second substrate including a substrate edge, a transparent conductive film including an extended portion, an optical element adhered to the transparent conductive film, and a connecting member. The connecting member is in contact with the substrate edge and electrically connects the electrode and the extended portion. The optical element includes a penetration portion. The penetration portion and the connecting member are arranged in a direction intersecting an extending direction of the substrate edge.

Manufacturing equipment of low-temperature formed liquid crystal alignment film and panel manufacturing process thereof are provided. The manufacturing equipment includes an engraving member, a light curing agent coating member, and a light curing device. In the panel manufacturing process, the engraving member is applied for engraving an alignment pattern on a surface of a prepared substrate. Next, the light curing agent coating member coats the light curing agent on the surface of the substrate having the alignment pattern thereon. Then, the light curing device is applied for light curing the light curing agent, so as to form a crystal alignment film having a texture of the alignment pattern. Finally, liquid crystal is injected between two substrates having the liquid crystal alignment film and encapsulating the structure to form a panel.

A backlight module of a display device includes a back plate, a light source, a reflector, a support pin, a diffuser, and an optical film. The light source is disposed on the back plate. The reflector is disposed on the back plate and has an opening. The support pin is located in the opening and on the back plate. The support pin includes a base, an abutting portion, and a transparent supporting portion. The transparent supporting portion is on the base. The abutting portion protrudes outward from the base and extends onto the reflector. The abutting portion and the base form a step structure. The diffuser is located on the transparent supporting portion. The optical film is located on the diffuser. The reflector is located between the abutting portion of the support pin and the back plate.

Discussed is a liquid crystal display device. The liquid crystal display device of the present disclosure comprises a liquid crystal panel, a backlight unit disposed under the liquid crystal panel and including a light guide plate and an optical sheet over the light guide plate, and a bottom frame including a horizontal surface and a side surface, wherein first and second fastening protrusions are provided at an outer surface of the side surface of the bottom frame.