Abstract: A lens has a plurality of first, second, and third optical regions. The first, second and third optical regions are arranged in sequential order. Space angle defined between each first, second, and third optical region and an optical axis of the lens are different from each other. Each first, second and third optical region includes a refracting surface and a reflecting surface which are arranged in different planes. The invention also relates to an LED module having the lens described above.

Abstract: A automatic vacuum film transferring machine includes an upper mold that can be driven to moved up and down; at least one lower mold each corresponding to the upper mold and configured to support a component to be transferred; a transferring support member located below the upper mold, and configured to support one lower mold; a first sliding support member and a second sliding support member each located on and driven to slide along two opposite side of the transferring support member, the first and second sliding support member are driven to dock onto the transferring support member to transfer one lower mold.

Abstract: An optical film to visually reduce frame size of individual display units within a single large display includes four film portions connected to each other to form a rectangular frame of each individual display unit. Each film portion has strip-shaped micro-structures of triangular cross-section, and includes a bottom surface, a first side surface, and a second side surface. The bottom surfaces of the micro-structures are connected to each other. The first side surfaces and the second side surfaces are obliquely connected, the second side surface of one micro-structure being at the outermost side of each film portion. Angle ?1 between the first side and bottom surface of each micro-structure is less than angle ?2 between the first side surface and the second side surface and the sum of first and second angles ?1 and ?2 is less than 90°.

Abstract: A decoration glass includes a transparent base made of glass, the transparent base having a decoration surface; a decoration pattern layer adhered to the decoration surface by an adhesive layer, the decoration pattern layer being made of UV curing ink; and a coating layer deposited on the decoration pattern layer. A method to form a decoration glass is also provided.

Abstract: A compound reflective plate includes a metal base and a reflective film. The metal base includes a reflective surface. The reflective film is covering the reflective surface. The reflective film includes colloidal transparent substrate, reflective particles, and diffusion particles. A surface of the reflective film opposite to the metal base is a rough, irregular, and curved surface. A mass ratio of the diffusion particles to the sum of the colloidal transparent substrate and the reflective particles ranges from 0.05 to 0.07. A mass ratio of the reflective particles to the colloidal transparent substrate ranges from 0.25 to 0.54.

Abstract: A surface treatment method for a casing is disclosed, the casing being formed by the outer surface and four sidewalls of the casing. The surface treatment method includes a heat transferring film formed on the casing by a vacuum heat transfer process or a paint-drying process and a surface pattern layer formed on a portion of a surface of the heat transferring film opposite to the outer surface by a digital inkjet printer applying three different types of UV-curable ink.

Abstract: A mold which is made of a porous heat-resistant material comprises a first surface and a second surface opposite to the first surface. A plurality of light guide spots are formed on the first surface. The light guide spots are light guide spots. The first surface is a smooth polished surface, the mold enables direct manufacture of light guide plates for less heat expended.

Abstract: A surface treatment method for a composite surface of a basic casing is provided. The composite surface is cooperatively formed by an outer surface and four sidewalls surrounding the outer surface. The surface treatment method includes following steps. A heat transferring film is provided. A printing pattern film is formed on a portion of the heat transferring film via a digital inkjet printing process. The heat transferring film is formed on the composite surface via a vacuum heat transfer process, with edges of the heat transferring film being wrapped around the sidewalls and the printing pattern firm being attached to the outer surface.

Abstract: A lens has a first, second and third optical region. The first, second and third optical region are arranged in sequential order. Space angle defined between each first, second and third optical region, and an optical axis of the lens are different from each other. An LED light module, which has an LED chip and the lens is also provided. The light emitted from the LED chip passes the reflecting surface and refractive surface and radiates from a top of the lens.

Abstract: An optical coupling lens includes main section, beam splitting section, first lens, second lens and third lens. A first groove is formed in the main section. A second groove is formed in the first groove. The beam splitting section includes a first total reflecting surface and a second total reflecting surface. A dihedral-angle between the first total reflecting surface and the second total reflecting surface is predetermined. The first lens is defined in the first groove. The first lens includes a beam splitter. The beam splitter includes a first light emitting surface. The first light emitting surface is connected to the first total reflecting surface. The second lens is defined in the second groove. The second lens is corresponding to the first lens. The third lens defined in the second groove. The third lens is corresponding to the second total reflecting surface.

Abstract: A lighting device includes a substrate, a light source arranged on the substrate, and an optical cover arranged on the substrate. The optical cover includes an outside cover layer, an inside cover layer, and a quantum dots layer hermetically sandwiched between the outside cover layer and the inside cover layer. The optical cover and the substrate cooperatively define a enclosure space. The light source is located in the enclosure space. The inside cover layer is adjacent to the light source. In the enclosure space, a heat insulating gap is defined between the light source and the inside cover layer.

Abstract: A door with an “EXIT” signal which operates automatically includes a door panel and a light source. The door panel includes a first plate. The first plate includes a front surface. The front surface defines a plurality of pits. The pits form a predetermined pattern, in the shape of a word. The light source is fixed above the first plate. The light source emits light to toward the pits to illuminate the predetermined pattern in the shape of a word when the door is in a closed state.

Abstract: A screen cover is configured to protect a screen of an electronic device. The device includes a screen cover and an optical thin film. The screen cover includes a first surface and a second surface opposite to the first surface. The optical thin film includes a third surface and a fourth surface opposite to the third surface. The third surface is attached to the second surface, and the fourth surface is attached to the screen when in use. The screen cover defines optical microstructure in the fourth surface, and the optical microstructure is adjacent to at least one edge of the fourth surface. The optical microstructure includes at least one groove. An electronic device with the screen cover is also provided.

Abstract: A frameless display device includes a plurality of display units. Each of the display units includes a display panel including a display surface and a non-display surface opposite to the display surface, a frame formed on the edge of the display panel surrounding the display panel, a backlight module corresponding to the non-display surface including at least one backlight, an image elongated element corresponding to the display surface. Each of the display units further includes a light compensating module. The light compensating module is adjacent to the frame and includes at least one light panel and at least one compensating light. The light compensating module further includes a gap. The gap is defined in the light panel corresponding to the backlight.

Abstract: A light-redirecting optical film includes a continuous plurality of micro structures. The micro structures have a common bottom surface and each micro structure includes a first curved surface and a second curved surface. The first curved surface is convex towards the second curved surface. The second curved surface rises from the bottom surface. The first curved surface and the second curved surface meet along a top edge. The curvature of the top edges in the optical film is the same. The first curved surface is a total reflecting surface. A narrow frame display device is also presented.

Abstract: A screen cover is configured to protect a display screen of an electronic device. The screen cover includes an elongated member having a first side and a second side opposite the first side; a first surface on the first side; and a second surface on the second side and defining at least one optical microstructure. Each of the at least one optical microstructure is adjacent to an edge of the elongated member, and each optical microstructure includes at least one groove.

Abstract: A lens includes a bottom face, a light incident face defined in the bottom face, a plurality of light reflective faces connecting the light incident face with the bottom face, and a light emerging face opposite to the light incident face. The light incident face includes a first face and a plurality of second faces alternating with the light reflective faces. The light reflective faces are flat faces parallel to an optical axis of the lens. An LED unit using the lens is also disclosed.

Abstract: A carrier device includes a carrier glass and a carbon nanotube layer. The carrier glass includes a top surface and a bottom surface opposite to the top surface. The carbon nanotube layer is positioned on the top surface. The carbon nanotube layer includes a start conductive terminal, an end conductive terminal, and carbon nanotubes. The start conductive terminal is electrically connecting to the end conductive terminal via the carbon nanotubes. The start conductive terminal electrically connects to a voltage source. The end conductive terminal electrically connects to the ground via a capacitor.

Abstract: A compound reflective plate includes a metal base and a reflective film. The metal base includes a reflective surface. The reflective film is covering the reflective surface. The reflective film includes colloidal transparent substrate, reflective particles, and diffusion particles. A surface of the reflective film opposite to the metal base is a rough, irregular, and curved surface. A mass ratio of the diffusion particles to the sum of the colloidal transparent substrate and the reflective particles ranges from 0.05 to 0.07. A mass ratio of the reflective particles to the colloidal transparent substrate ranges from 0.25 to 0.54.

Abstract: A door with an “EXIT” signal which operates automatically includes a door panel and a light source. The door panel includes a first plate. The first plate includes a front surface. The front surface defines a plurality of pits. The pits form a predetermined pattern, in the shape of a word. The light source is fixed above the first plate. The light source emits light to toward the pits to illuminate the predetermined pattern in the shape of a word when the door is in a closed state.