Abstract: A light guide module (10) for use in a flat panel display (21) comprises a light guide pipe (20) having a light emitting surface (21), and a light incident surface (25) orthogonal to the light emitting surface. A light diffusion arrangement (30) is deployed over the light emitting surface and includes organic scattering balls (31) homogenously mixed within a bonding agent (33). At least a light source (60) is arranged adjacent the light incident surface to project light beams into the light guide module.

Abstract: Provided is a liquid crystal display with a light emitting flat surface, including a light guide having the emitting surface (232) and a pair of end surfaces. A pair of light sources (220) is arranged correspondingly to the pair of end surfaces. The light guide forms two diffusion sections having different refractive indices, thereby creating a junction surface between the diffusion sections.

Abstract: A method of manufacturing an electrode plate (2) for a battery includes the steps of: preparing a substrate (21) and a target (4), the target being made from an active material, and respectively mounting the substrate and the target in a sputtering chamber (1)a predetermined distance apart; evacuating the sputtering chamber; introducing a non-reactive gas and a reactive gas into the sputtering chamber; applying a voltage between the target and the substrate using a power source (5), thus activating a plasma between the target and the substrate and resulting in deposit of the active material from the target on the substrate until a desired thickness of an active material layer (22) is formed on the substrate.

Abstract: The present invention provides a light guide plate for liquid crystal displays.

Abstract: The present invention provides a light guide plate (200) including a transparent plate (220) with a plurality of hemispherical embossments (240) formed thereon. The transparent plate includes a light emitting surface (224) and a bottom surface (226) opposite to the emitting surface. The embossments face in a direction away the transparent plate.

Abstract: A surface lighting device (100) includes a light guide plate (140), a plurality of point light sources (120), and a micro-lens array (130) for collimating light beams emitted from the point light sources into parallel rays. The light guide plate has a light incident surface (141). The point light sources are located opposite to the light incident surface. The micro-lens array is positioned between the point light source and the light incident surface, and the light guide plate and the point light source are placed at respective working distances from the micro-lens array. Divergent rays emitted from the point light sources are coupled into the light incident surface via the micro-lens array.

Abstract: A liquid crystal display has two substrates (100, 200) opposite to each other and spaced apart a predetermined distance, a liquid crystal layer (300) between the two substrates and having a plurality of liquid crystal molecules (310), and a pair of electrodes (121, 122) formed on one of the substrates to provide an electrical field parallel to the substrates. Each substrate has an alignment layer formed thereon. Each alignment layer has a plurality of parallel grooves (190, 240) on its surface to orient the liquid crystal molecules. The grooves of one alignment layer are orthogonal to the grooves of the other alignment layer. When no voltage is provided, the overall arrangement of the liquid crystal molecules comprises a 90° twist. When a voltage is applied to the electrodes, an electrical field parallel to the substrate is formed, which rotates the liquid crystal molecules and makes the arrangement of the liquid crystal molecules homogeneous.

Abstract: A light guide plate (20) providing illumination for a liquid crystal display panel includes a light incident surface (23) for receiving light beams from a light source, an emission surface (21) for emitting the light beams, and a bottom surface (25) opposite to the emission surface. A plurality of diffusion dots (27) is formed on the bottom surface for scattering the light beams. Each diffusion dot has a concave surface (273) forming a plurality of microlenses (275) thereon. The light guide plate provides a high brightness and a uniform illumination for the liquid crystal display panel.

Abstract: A light guide plate (300) for transmitting light beams from a light source to an LCD (liquid crystal display) includes: an incident surface (301) for introducing light beams into the light guide plate; an emitting surface (303) for uniformly transmitting light beams out from the light guide plate; and a bottom surface (302) opposite to the emitting surface for reflecting the light beams in directions toward the emitting surface. The light guide plate further provides a plurality of concavities (3031) on the emitting surface, for converging the light beams into the LCD. The light guide plate is a relatively simple, single integrated structure, and can obviate the need for a brightness layer in an associated LCD device.

Abstract: A surface light source unit (2) includes a light source (21), a light guide plate (22), a reflective plate (23) and a diffusing plate (24). The light guide plate includes a light incidence surface (221) adjacent to the light source for receiving light beams, an emission surface (222) for emitting the light beams, a light reflection surface (223) opposite to the emission surface and a plurality of diffusion dots (224) formed on the light reflection surface. The diffusion dots contain a plurality of light scattering particles (225) having substantially global surfaces. The surface light source unit provides high uniform illumination for a liquid crystal display panel.

Abstract: The present invention provides a light guide plate (10) including a transparent plate (20) and a plurality of dots (221). The transparent plate includes an emitting surface (21), and a bottom surface (22) opposite to the emitting surface. The dots are distributed on the bottom surface of the transparent plate. The emitting surface has a predetermined roughness.

Abstract: A surface light source (3, 4, 5) includes a light guide plate (32, 42, 52), which defines an incident surface (321, 421, 521), an emitting surface and a bottom surface (323, 423, 523) opposite to the emitting surface; and a light source (31, 41, 51) adjacent to the incident surface of the light guide plate for radiating light beams into the light guide plate through the incident surface. A multiplicity of generally rectangular dots (328, 428, 528) and generally circular dots (329, 429, 529) is formed on the bottom surface of the light guide plate. The rectangular and circular dots reflect and scatter the light beams in directions toward the emitting surface. The rectangular dots are distributed on the bottom surface corresponding to lower luminance areas of the light guide plate, so that the luminance over the whole emitting surface of the light guide plate is uniform.

Abstract: A light guide plate (LGP) (3) includes a transparent plate (31) and a waterproof layer (32). The transparent plate has a light emitting surface (311) on a top thereof, and a bottom surface (312) opposite to the light emitting surface. The waterproof layer is disposed over the light emitting surface. A preferred method for fabricating the LGP includes the steps of: (a) providing an transparent plate having a light emitting surface on a top thereof and a bottom surface opposite to the light emitting surface; and (b) forming a waterproof layer over the light emitting surface.

Abstract: A light guide plate (10) includes a transparent plate (20), a plurality of diffusing protrusions (30) and a plurality of dots (40). The transparent plate includes an emitting surface (21), and a bottom surface (23) opposite to the emitting surface. The diffusing protrusions are distributed on the emitting surface of the transparent plate, and are integrated with the transparent plate. The dots are distributed on the bottom surface of the transparent plate. The light guide plate provides high emitting brightness and uniformity. The diffusing protrusions can diffuse light beams emitting from the emitting surface of the transparent plate, in order to achieve a plane light source having even brightness. Moreover, the dots on the bottom surface can scatter and reflect incident light beams, so as to totally eliminate internal reflection of light beams and make the light beams evenly emit from the emitting surface.

Abstract: A polarized light source system (20) includes a light guide plate (22), a light source (24), a lamp cover (25), a quarter wave plate (23), an upward prism plate (26) and a downward prism plate (28). The light guide plate defines an optical inputting surface and an optical outputting surface interconnecting therewith. The light source and the lamp cover are stationed next to the optical inputting surface. The upward prism plate stationed next to the optical outputting surface defines a plurality of upward micro-prisms (262) on a surface opposite thereto. The downward prism plate stationed next to the upward prism plate includes a brightness enhancing film (284), and a plurality of downward micro-prisms (282) on a surface facing the upward prism plate. The upward and downward micro-prisms engaged with each other. The quarter wave plate includes a reflective film on a backing surface.