546 results about "Bright line" patented technology

Illuminating light, supplied from a primary light source of a surface light source device of side light type, passes through an incidence surface (12A) and enters a wedge-shaped scattering guide plate (12). Inside the guide plate (12), the illuminating light propagates toward the end while being repeatedly reflected between a back face (12B) and an emission surface (12C). During this process, the illuminating light receives scattering action of particles or the like in the guide plate (12). The emission surface (12C) provides a prism surface. The back face (12B) comprises a plurality of projections in a belt region (AR1) along an edge (EL). The projections run generally parallel to the edge (EL) and each has a pair of slopes (12G and 12H). The height of the projections (that is, depth of the troughs) or the inclination of the slopes (12G and 12H) preferably decrease according to distance from the edge (EL). The projections diffuse light propagation direction, thereby preventing generation of bright lines around the edge (EU) of the emission surface.

A surface light source device of side light type has a guide plate, a primary light source for supplying illuminating light through an incidence surface, first and second edges at which major surfaces respectively intersect the incidence surface, and one or plural additive members arranged in direct contact with the emission surface and / or the back surface thereon in the vicinity of the first edge and / or the second edge. At least one of the additive members has a shield for preventing illuminating light from being incident to the first or second edge. For example, the shield includes absorptive areas formed on the additive members. Each of the absorptive areas is formed so that each of the absorptive areas crosses the first or second edge. A distal end of a reflector arranged in the primary light source or frame blocks incidence of light to the first and / or second edge. The light incidence block to each edge prevents luminance irregularities in the form of a bright line.

A light guide plate comprises: a plate ember having a light transmitting capability; and a light incidence face provided on a side surface of the plate member; wherein the plate member changes a path of light emitted from a light source arranged to face the light incidence face and emits planar illumination light from an upper surface of the plate member onto an object to be illuminated; wherein an undulated surface portion is formed on the light incidence face. Further, the undulated surface portion is formed by smoothly connecting curved recessed portions and curved raised portions. This arrangement prevents bright lines from being produced near the light source and also prevents brightness variations, thus making uniform an intensity distribution of light that has entered the light guide plate.

The invention relates to a liquid crystal display and a method for restoring broken wires. The method for restoring the broken wires comprises the following methods: determining the breaking positions of signal wires and the positions of pixel points in which the breaking points are arranged; welding the signal wires at two ends of the breaking points and pixel electrodes of the pixel points by a laser welding method; and making TFT of the pixel points invalidated by a laser cutting method. By taking the pixel electrodes as conducting layers and adopting the proposal of combining laser welding and laser cutting, defective broken lines of grid lines or defective broken lines of common electrode wires are restored into defective pixel points, namely bright line defect is restored into bright point or dark point defect so as to improve the grade of defective liquid crystal displays; in addition, the method is not only applied before a box forming process, but also can be effectively applied after the box forming process, effectively avoid the discard of products, save the production cost on one hand, and can avoid the waste to the utmost extent on the other hand.

The invention discloses a capacitive touch panel, comprising a transparent substrate, a light shielding layer and a capacitive induction circuit element, wherein the capacitive induction circuit element is arranged above one surface of the transparent substrate and comprises a sensing zone and multiple metal wires; the sensing zone comprises multiple conductive bridging lines; the multiple metal wires are arranged around the sensing zone and are electrically connected with the sensing zone; and the light shielding layer and the multiple conductive bridging lines are vertically overlapped. When a user observes and uses the capacitive touch panel, the conductive bridging lines are shielded by the light shielding layer so as to eliminate or reduce the probability that the conductive bridging lines reflect light, so that no bright spots or bright lines can be generated in the sensing zone, and the user is free of troubles in viewing a display screen and uncomfortable vision.

A laser-based line projection system that is suitable for selectively placing lines on a floor surface, such as a factory floor. Several projectors are used in a typical installation. Each projector includes a laser directed through a diverging lens to create a planar projection of laser light. The planar projection creates a bright line when it falls on a surface. Each projector is optionally equipped with a movable mask that alters the angle of divergence for the laser light after it passes through the cylindrical lens. This component allows the projector to vary the length of the line projected.