Abstract: A display light shield as a visor for a portable computer, includes a top portion and two side portions. The portions are sheet and jointed to form a hood whose sides and top are closed while bottom is open. The shape of the hood is suitable for the computer monitor. A fastener is provided on the hood for attaching the visor to the computer. The visor can be folded by changing joining manners of the portions so that packaging and transporting become convenient.

Abstract: An interior rearview mirror assembly includes a variable reflectance element, an information display and a control for adjusting the luminous intensity of information displayed by the information display. The information display comprises backlighting by a of light emitting diodes. The control is responsive to a light level sensed by at least one light sensor disposed at the mirror assembly, and the control may adjust the luminous intensity of information displayed by the information display, preferably to provide a luminous intensity in a range extending from at least about 750 candelas/sq. meter during a daytime condition to less than about 100 candelas/sq. meter during a nighttime condition. The control adjusts the luminous intensity by use of pulse-width modulation.

Abstract: A light-shielding door is configured between an upper component and a lower component of a top plate of a monitor hood. The door is capable of moving to open or to close at an opening of the top plate along a direction. The door includes a groove and the upper/lower component includes a track corresponding to the groove for allowing the door to move steadily. A rib is configured between the two components and adjacent to the door for preventing the door from derailing. The door further includes an indentation at the bottom of a handle at the front end. When the door closes, the indentation matches closely to the edge of the opening, providing perfect light shielding solution for the monitor hood.

Abstract: Provided is a transparent support including a light-transmitting particle having an average particle diameter of 6 to 20 ?m, wherein the transparent support has a thickness of from 20 to 200 ?m, the light-transmitting particle is contained in a ratio of 0.5 to 20 mass % based on entire solid content in the transparent support, and the transparent support has an arithmetic average roughness (Ra) of 0.05 ?m or less.

Abstract: A visor shield for shielding a marine electronic device from sunlight, weather and spray includes a visor body having a base portion for attachment to an electronic device, and a protruding portion extending from the base portion and sized to extend out from the electronic device to shade a front face of the electronic device. The base portion and the protruding portion can be formed of a unitary plastic part. The base portion can comprise a wall continuous with the protruding portion. A compressible seal can be attached to a surface of the wall and arranged to be compressed against a housing of the electronic device when the base portion is attached to the electronic device.

Abstract: The present invention is to provide a display having a visor, which comprises a flat display, two sliding members, two spinning arms and a visor. A sliding slot is disposed at each of two corresponding sides of a screen of the flat display respectively, wherein the sliding members are installed in the sliding slots and movable along the sliding slots. One end of each of the spinning arms is pivotally coupled to the corresponding sliding member respectively, and the other ends of the spinning arms hold the visor by both sides which enable the visor to be spun on the top of the flat display and to be moved on the top of the flat display along the sliding slots for preventing the screen from glare and light reflection and protecting the screen from being scratched or dust.

Abstract: A mirror device which can be simultaneously used for display purposes, based on e.g. an LCD display with a polarizing mirror placed in front of it. The polarizing mirror has the characteristics that it does not disturb the transmission of the light from the display, but does reflect the light from outside the area of the screen. The polarizing mirror is embedded in a conventional mirror.

Abstract: An electrical window control system and method thereof are provided, wherein the system includes a variable transmission window having first and second substantially transparent substrates that define an area, and a variable transmittance material that occupies at least a portion of the area. The system further includes a power source that supplies an electrical power, at least one light source that emits light towards the variable transmission window, and at least one sensor in optical communication with the light source, wherein the at least one sensor receives at least a portion of the light that propagates through at least one of the first and second substantially transparent substrates, and communicates a signal that corresponds to the received light.

Abstract: A liquid crystal display device includes: a protective film; a polarizing plate; a liquid crystal cell for display; and a backlight, in this order, wherein the protective film is an antiglare optical film including a transparent substrate and at least one antiglare layer and having a concavo-convex shape on a surface of the antiglare optical film, and an integrated frequency value of tilted plane components having tilt angles between a normal line of the transparent substrate and a normal line of the concavo-convex shape on a surface of the antiglare optical film ranging from 0.05 to 0.25° is from 10 to 25% while an integrated frequency value of tilted plane components having the tilt angles ranging from 1.5 to 2.5° is from 10 to 25%.

Abstract: A flat panel display includes a pixel electrode, an organic emission layer, an opposite electrode, a phase shift layer and a reflecting layer disposed on a substrate. The phase shift layer and the reflecting layer are stacked on the opposite electrode to destructively interfere with reflected external light to realize black and achieve excellent luminous efficiency.

Abstract: An interior rearview mirror assembly suitable for use in a vehicle includes a variable reflectance reflective element, which includes an electrochromic medium, a first information display positioned to the rear of the variable reflectance reflective element, and a second information display. The mirror assembly further includes a single control for adjusting the luminous intensity of the first information display and the second information display and at least one light sensor, with the output of the control being generated responsive to a light level sensed by the at least one light sensor. In addition, the luminous intensity of the first information display and of the second information display increases responsive to the output of the control to compensate for any decrease in transmission of the electrochromic medium.

Abstract: Display module (10) for use in an electronic device, comprising a front window (12) and a display unit (13, 100), wherein an intermediate layer (24) of transparent material is sandwiched between the front window (12) and the display unit (13, 100). The intermediate layer (24) consists of a material which is selected taking the material of the front window (12) into consideration in order to minimize reflection at the interface between the front window (12) and the intermediate layer (24). The intermediate layer (24) consists of one or more layers whose refractive indices are chosen so that they closely match the refractive indices of the front window or the display unit.

Abstract: On the back surface of a window member and a display surface of a liquid crystal display panel, the same antireflective structures having a plurality of convexities with predetermined dimensions not more than the wavelength of visible light are formed, respectively. While the liquid crystal display panel is protected by the window member, reflection of external light on the back surface of the window member and the display surface of the liquid crystal display panel and reflection of outgoing light from the liquid crystal display panel can be reduced by the convexities of the antireflective structures, so that visibility can be secured.

Abstract: A display device includes an optical region containing a plurality of pigment grains. Each of the plurality of pigment grains formed by a plurality of pigment molecules encapsulated in an inorganic material, and each of the plurality of pigment grains has a grain size not greater than 70 nm.

Abstract: A display panel is disclosed. The display panel includes an upper substrate through which light used for an image display passes and a plurality of light guides collecting and emitting the light transmitted through the upper substrate. The display panel may further include anti-reflective part, EMI shielding part, infrared filtering part or glass substrate to increase the bright room contrast or to improve the image displayed by the display panel.

Abstract: A carrying case providing privacy and light shade for a screen of a laptop computer disposed therein. The carrying case includes top and bottom portions movable between closed and open positions, and panels disposed on the interior surface of the case top portion and pivotally movable from flush with the top portion interior surface to form an inverted u-shaped shroud resting on the interior surface of the case bottom portion. The case top and bottom portions, and panels form a five sided cavity, a sixth side being open to permit viewing of the screen of the computer by an operator.

Abstract: An adjustably opaque window including an external pane, an internal pane, a light transmission control layer and a shock-absorbing layer is provided. The external pane and the internal pane provide a cavity between them, and the light transmission control layer and the shock-absorbing layer are positioned in the cavity. The shock-absorbing layer is a flexible sheet that supports and protects the light transmission control layer. The light transmission layer consists of liquid crystal cells. The transmission ratio of the cells can be controlled variably.

Abstract: A bezel-less display is disclosed that includes an electronic display device and a cover. The electronic display device has an image-displaying portion and another portion adjacent the image-displaying portion along at least one side. The cover is positioned adjacent the electronic display device and includes a first portion positioned adjacent the image-displaying portion of the display device and a second portion positioned adjacent the other portion of the display device. The optical properties of the first and second portions of the cover are selected to present an appearance of a uniform cover without a bezel when the display device is not displaying an image. The optical properties of the first portion are also selected to transmit images displayed on the image-displaying portion. Preferably, the optical properties of the second portion are selected to mask the other portion of the display device.

Abstract: An antireflection structure (10) comprises a base (1), and a finely roughened antireflection part (2) formed in a surface of the base (1). The finely roughened antireflection part (2) includes a plurality of projections and depressions defined by the projections. The projections are distributed such that PMAX??MIN, where PMAX is the biggest one of distances between tips (2t) of the adjacent projections and ?MIN is the shortest one of wavelengths of visible light rays in a vacuum. The sectional area of each projection in a plane parallel to the surface of the base (1) increases continuously from the tip (2t) toward the bottom (2b) of the depression adjacent to the projection. The shape (2Mt) of a tip part (Mt) of each projection in a plane perpendicular to the surface of the base (1) is sharper than the shape (2Mb) of a bottom part (Mb) of each depression in the same plane vertical to the surface of the base (1).

Abstract: A protective device for a liquid crystal display has a protective plate, a plate holder, a holding block, a strip and a clamping device. The plate holder has a groove on a top, a flange extending backward and an abutting recess defined under the flange. The holding block combines with the plate holder and has a channel for receiving the strip. When the protective device mounts on a monitor of the liquid crystal display, the flange rests on a flat top of an outer frame of the monitor to make the abutting recess snugly combine with the outer frame. When the protective plate engages the groove and erects in front of a screen panel of the monitor, the strip ties the protective plate and the monitor together and the clamping device holds the plate and the outer frame of the monitor to keep the protective plate steady.

Abstract: A beam radiator that radiates visible light beams having a predetermined wavelength onto a road surface to inform drivers of other vehicles of the existence of a self-owned vehicle or to let a driver of the self-owned vehicle confirm a traveling path thereof is disposed in a front portion of a body of the self-owned vehicle. An optical filter is disposed substantially all over a windshield in front of a driver seat. The filter is designed to have a characteristic of being more permeable to light having wavelengths close to a wavelength of visible light beams radiated from the beam radiator 24 than to light having a wavelength different from those wavelengths. In this construction, the driver is prevented from finding it difficult to visually recognize a visible light pattern resulting from visible light beams radiated from the self-owned vehicle or another vehicle owing to sunlight or the like, and visual recognizability of the visible light pattern is enhanced.

Abstract: The present invention provides an anti-glare film having rough surface of which R (0) and R (30 or more)/R (0) are 1% or less and 0.001 or less, respectively, wherein R (0) is if the regular reflectance along the regular reflection direction against incidence light at any angle from 5 to 30° from the normal line of said anti-glare film and R (30 or more) is the reflectance against said incidence light, along a direction inclined by 30° or more toward said anti-glare film side from said normal reflection direction. And the present invention also provides the method of producing the above-mentioned anti-glare film.

Abstract: A display window for selectively passing illumination emanating from one or more artificial light source is described to comprise a display material with a transparency that may be controlled to pass a substantially constant amount of the illumination from the one or more artificial light source and through the display material regardless of the amount of the illumination.

Abstract: A detachable screen protector assembly mounted on a screen frame of a monitor having a lower front surface and an upper front surface and has a screen protector and a fastening apparatus. The fastening apparatus has at least one couple of a bracket and a detachable hook. The bracket is mounted on the screen frame to hold the screen protector. The detachable hook corresponds to the bracket, is mounted the screen frame above the bracket and holds the screen protector. The detachable hook has a bracket member mounted on the upper front surface of the screen frame and a hooking member detachably mounted to the bracket member and holding the screen protector. Because the hooking member may disengage from the bracket member, the screen protector can be detached from the screen frame to be cleaned or be mounted on other monitors when people change their monitor.

Abstract: Images are projected onto a projection medium including a screen, which forms an open, light-penetrable structure having a plurality of light-reflecting surface parts. The projection medium may include a screen that is perforated or net-like, such as tulle or bridal veil, or that includes transparent and opaque or light-reflecting areas. The projection screen may be positioned within a shop or another room having a show window or display window spaced from the screen. A control device, such as a touch screen, for controlling the operation of the projector, may be positioned so as to be accessible to a viewer outside the room.

Abstract: A method for providing preferential coloring to a portion of an electrochromic window assembly, includes the steps of providing an electrochromic window assembly comprising first and second spaced apart transparent substrates defining a chamber therebetween, the first transparent substrate having a first conductive coating and the second transparent substrate having a second conductive coating, the chamber containing an electrochromic medium capable of coloring upon application of electrical potential thereto to provide reduced luminous transmittance; electrically connecting a plurality of first spaced facilities to the first conductive coating for providing the electrical potential to the first conductive coating; electrically connecting a plurality of second spaced facilities to the second conductive coating for providing the electrical potential to the second conductive coating; and applying an electrical current to selected ones of the plurality of first spaced facilities and to selected ones of the plura

Abstract: In a display device comprising an optical region containing a plurality of pigment grains utilized for wavelength selection, anti-reflection, improvement of the light emitting performance and the like, dyestuff molecules utilized for forming the pigment grains to be dissolved in a solvent in which the dyestuff molecules are insoluble originally are chemically modified, and then the solubility of the modified dyestuff molecules in the solvent is reduced by energy transfer thereto to aggregate the dyestuff molecules, so that grain sizes of pigment grains are suitably controlled for the optical region in accordance with its use.

Abstract: A computer monitor screen has a screen lens, a connection seat having an upper rack and a lower groove, a pair of hanging mounts, and a plurality of fastening devices. The screen lens has a plurality of through holes. The connection seat further has a plurality of through apertures to match the through holes of the screen lens. Each of the hanging mounts has a slide slot to receive the upper rack. The screen lens is inserted in the lower groove of the connection seat. Each of the fastening devices passes through the corresponding through aperture of the connection seat and the corresponding through hole of the screen lens to fasten the connection seat and the screen lens.

Abstract: A liquid crystal display device is disclosed, which can remove a defect generated from polishing and etching of a glass substrate. The LCD device includes first and second substrates assembled together with some spaces therebetween, each having an etched outer surface, and a passivation film outside the first and second substrates. In the LCD device, the passivation film such as BCB or photo-acrylate is formed on a surface of a glass substrate damaged by etching and polishing processes, so as to repair the damaged surface of the glass substrate.

Abstract: A bezel-less display is disclosed that includes an electronic display device and a cover. The electronic display device has an image-displaying portion and another portion adjacent the image-displaying portion along at least one side. The cover is positioned adjacent the electronic display device and includes a first portion positioned adjacent the image-displaying portion of the display device and a second portion positioned adjacent the other portion of the display device. The optical properties of the first and second portions of the cover are selected to present an appearance of a uniform cover without a bezel when the display device is not displaying an image. The optical properties of the first portion are also selected to transmit images displayed on the image-displaying portion. Preferably, the optical properties of the second portion are selected to mask the other portion of the display device.

Abstract: A vehicle rearview mirror system includes an electro-optic reflective element, an ambient light sensor that is operable to sense ambient light, a glare light sensor that is operable to sense glare light and a circuit that is responsive to the ambient glare light sensors which establishes a reflectance level of the reflective element. The circuit includes a sensor-responsive device and a controller. The sensor-responsive device produces an output that is a function of light sensed by glare and ambient light sensors. The controller connects one of the glare and ambient light sensors at a time with the sensor-responsive device to establish glare and ambient light levels and thereby the reflectance level of the reflective element. The mirror system may include a display operable to project light through the reflective element and may control the intensity of the display as a function of the glare light and ambient light.

Abstract: An optical diffusing layer comprising a resin coated layer having a surface fine concavo-convex structure, wherein an average of peak-to-peak distance (Sm), an average of center line surface roughness (Ra), and an average of ten-point surface roughness (Rz) on the surface with fine concavo-convex structure satisfy specified equations, is capable of maintaining antiglare property and screen glare simultaneously controlled, when applied to an LCD in which high definition is required.

Abstract: It is an object of the present invention to provide a light diffusing sheet that has a less tendency to be deflected due to heat generated by a lamp and a back light unit using this. The light diffusing sheet of the present invention comprises a base sheet and a light diffusing layer provided on a surface of the base sheet. The light diffusing layer is formed by dispersing resinous beads and a fine inorganic filler into a binder. It is preferable that the fine inorganic filler has an averaged particle diameter of not smaller than 5 nanometers and smaller than 1 micrometer. It is preferable that the amount of the fine inorganic filler to be mixed is 10 parts to 500 parts by weight for 100 parts by weight of a polymer component in the binder. As the fine inorganic filler, colloidal silica is used.

Abstract: A TV screen cover includes a cover member for reducing glare and volumes of light emitted from a TV. The TV screen cover further includes a housing positionable on top of a TV and securable thereto by a plurality of fastening members. The housing includes an elongated shaft with the cover member releasably wound thereabout. The housing has a slot disposed at a lower surface thereof and in front of a TV screen. The housing further includes a second elongated shaft adjacent the slot for guiding the cover member forwardly and downwardly through the slot. The cover member includes a rod connected to the bottom portion thereof and for assisting a user to uniformly move the cover member between wound and unwound positions. The TV screen cover further includes an attaching mechanism for selectively maintaining the cover member at an unwound position.

Abstract: Provided is a touch panel, which has a light-shielding effect in its peripheral portion and is able to improve the visibility of its screen at low cost and also cope with the thickness reduction of a product provided with an LCD with a touch panel. In an analog resistive film system touch panel, where conductive panels (1, 2) are arranged opposite to each other with transparent electrodes (12, 22) formed by a whole or a part of a transparent conductive film and wiring lines formed on one-side surfaces of transparent insulative substrates (11, 21) and one or more resin layers (4, 28, 15) are provided for various purposes in the peripheral portion located between the transparent insulative substrates, at least one layer of the resin layers additionally has a light-shielding function by being colored black.

Abstract: A glare-protection device contains an active filtering element (11) with influenceable light transmission such as a liquid crystal cell. The glare-protection device also contains an electronic circuit (3) for evaluating the output signal of a light sensor (5) and for driving of the filtering element (11), which electronic circuit (3) is attached to the internal surface (22) of a printed circuit board (2). The electronic circuit (3) has an evaluation circuit (31) and a driving circuit (32). A screening element (4), which is made out of electrically conductive material, is provided to screen at least a part of the evaluation circuit (31) against electro-magnetic radiation originating from the driving circuit (32), and is affixed to the same internal surface (22). Thanks to the screening element (4), the evaluation circuit (31) can be designed to be exceedingly sensitive, without it being excessively interfered with by electromagnetic influences.

Abstract: An information display system suitable for use in a vehicle comprises an interior rearview mirror assembly including a mirror case and a variable reflectance reflective element. The variable reflectance reflective element includes a first sheet having a first surface and a second surface, and a second sheet having a third surface and a fourth surface, the second surface of the first sheet opposing the third surface of the second sheet. The variable reflectance reflective element includes a mirror reflector disposed on the third surface. The mirror reflector comprises a reflecting metal film having a region adapted to form a light transmitting portion, the adaptation comprising an absence of reflecting metal film.

Abstract: A cover plate covering a display panel of a display device has a transparent base having a surface facing the display panel and provided with reflection-reducing minute irregularities. The reflection-reducing minute irregularities consist of numerous projections and numerous valleys lying between the projections, and meet a condition expressed by: PMAX≦&lgr;MIN, where PMAX is the maximum distance between the tips of the adjacent projections, and &lgr;MIN is the minimum wavelength in a visible region in a vacuum. The sectional area ratio of total area of sections of the projections of the transparent base in a plane parallel to the transparent base in the plane increases continuously and gradually in a direction from the tips of the projections toward bottoms of the valleys.

Abstract: A window baffle assembly has a multi-element segmented window having a first surface adapted to receive at least one wavelength of radiation from an optical system, a baffle housing positioned proximate at least a portion of the first surface of the segmented window, and a plurality of baffle elements each affixed between positions on the baffle housing and offset from the first surface of the window. At least a portion of the plurality of baffle elements are in a Field of View of the optical system at an operational angle. The surface of the baffle elements are adapted to absorb at least a portion of the energy of the radiation and oriented to scatter the radiation. Each baffle element comprises a leading edge and an opposing trailing edge, the leading edge oriented toward the first surface of the window and the trailing edge oriented to point toward a central point of the optical system. A method of manufacturing a window baffle assembly is also provided.

Abstract: An observation window of a hyperbaric oxygen chamber includes a frame, and a transparent member. The frame is fixedly joined to a wall of the chamber. The frame includes an outer annular connecting portion, and an inner annular holding portion, which is encircled by the outer portion, and which defines a central observation hole; an annular space is formed between the connecting portion and the holding portion to help reduce effects of deformation of the connecting portion on the holding portion so that the transparent member can still be fitted into the holding portion with precision after solder welding is used to secure the frame in position. An O-shaped ring is fitted between the transparent member and the holding portion to prevent compressed gas inside the chamber from leaking and to prevent the transparent member from falling off the frame.

Abstract: A window baffle assembly has a multi-element segmented window having a first surface adapted to receive at least one wavelength of radiation from an optical system, a baffle housing positioned proximate at least a portion of the first surface of the segmented window, and a plurality of baffle elements each affixed between positions on the baffle housing and offset from the first surface of the window. At least a portion of the plurality of baffle elements are in a Field of View of the optical system at an operational angle. The surface of the baffle elements are adapted to absorb at least a portion of the energy of the radiation and oriented to scatter the radiation. Each baffle element comprises a leading edge and an opposing trailing edge, the leading edge oriented toward the first surface of the window and the trailing edge oriented to point toward a central point of the optical system. A method of manufacturing a window baffle assembly is also provided.

Abstract: The invention relates to a transparent panel (TS) for a display device (DP), especially for a mobile radio device (CP). The back of said panel is provided with one or more three-dimensional elevations and/or indentations in such a way that they are readable on the front (VS) of the panel as symbols.

Abstract: An optical component (11) comprises two transparent flat bodies (12, 13) each having grooves (16) or other surface features on one of its faces (15) which interpenetrate when the two bodies (12, 13) are placed face-to face. The shapes of the grooves (16) or other surfaces features are such that they touch in some places (20, 22, 23) and are spaced from one another in others (18, 19) to form voids (24) within the composite body (11) so formed. These cavities (24) assist in determining total internal reflection of incident light at certain angles. Composites bodies formed from two face-to face optical components may be used as daylighting screens both to direct light towards an object such as the interior of a building (through an opening) or to screen light from it by diverting it away therefrom.

Abstract: A television projection screen comprises a Fresnel lens sheet and a diffusing lens sheet. The Fresnel lens sheet is disposed face-to-face to a light incident surface of the diffusing lens sheet. Plural concave lenses and plural light-absorbing layers are arranged on a light emitting surface of the diffusing lens sheet. The concave lenses and the light-absorbing layers are alternately disposed in a parallel manner. The projection light rays incident to the light incident surface of the diffusing lens sheet are guided to the concave lenses on the light emitting surface of the diffusing lens sheet and then refracted from the concave lenses, thereby diffusing the projection light rays. By means of providing plural concave lenses on the light emitting surface of the diffusing lens sheet, the projection light rays are diffused while simplifying the structure and reducing the thickness.

Abstract: What is described here is a method and an element of lighting rooms by selective guidance of daylight, comprising an optically transparent main body through which the light is incident into the respective room, and including plurality of structures on which light is deflected by total reflection into the respective room. The invention is characterized by the provision that the plurality of structures consists of parallel crazes.

Abstract: The invention provides a computer monitor bezel including a bezel mount, and opaque planar member, and a bezel face. The bezel mount includes a frame and a mounting formation. The frame defines a frame viewing opening entirely surrounded by the frame. The mounting formation is located on the frame to mount the frame to a sub-monitor in a position wherein a screen of the sub-monitor is viewable through the frame viewing opening. The opaque planar member is located over the bezel mount. The bezel face includes a translucent planar member and an attachment component. The translucent planar member is located over the opaque planar member. The attachment component has a first end secured to the translucent planar member, extends past a plane of the opaque planar member, and has a second, opposing end secured to the frame.

Abstract: An interior rearview mirror assembly suitable for use in a vehicle includes a mirror case and a variable reflectance reflective element, which comprises a mirror reflector. Preferably, an information display is positioned in the mirror case to the rear of the variable reflectance element. The information display preferably comprises a light source and a display element. The light source is positioned behind the display element so that light emitted by the light source impinges the display element. The display element comprises one or more indicia established at the display element by at least one of etching, printing, and forming on a surface of the display element. When the light source is illuminated behind the display element, the light emitted by the light source causes the information display to display at least one alphanumeric indicia, graphical indicia, or symbolic indicia. The mirror assembly also preferably includes a control for adjusting the light intensity emitted by the light source.

Abstract: A mounting device for mounting a screen protector on a monitor includes a positioning member and a hanging member. The positioning member is adapted to be mounted on top of the monitor, and has a first connecting unit. The hanging member includes a clamp portion adapted to be mounted on a frame member of the screen protector, and a connecting plate portion formed with a second connecting unit. When the connecting plate portion is disposed on top of the positioning member, the first and second connecting units can be interconnected removably to thereby position the screen protector in front of the monitor.

Abstract: An optical component (11) comprises two transparent flat bodies (12, 13) each having grooves (16) or other surface features on one of its faces (15) which interpenetrate when the two bodies (12, 13) are placed face-to face. The shapes of the grooves (16) or other surfaces features are such that they touch in some places (20, 22, 23) and are spaced from one another in others (18, 19) to form voids (24) within the composite body (11) so formed. These cavities (24) assist in determining total internal reflection of incident light at certain angles. Composites bodies formed from two face-to face optical components may be used as daylighting screens both to direct light towards an object such as the interior of a building (through an opening) or to screen light from it by diverting it away therefrom.

Abstract: An electrochromic window assembly includes: a first transparent substrate having a first conductive coating on a surface thereof; a second transparent substrate having a second conductive coating on a surface thereof, the first transparent substrate and the second transparent substrate being spaced from each other to define a chamber therebetween; an electrochromic medium contained in the chamber, the electrochromic medium having a luminous transmittance that varies upon application of an electrical potential through the electrochromic medium; a plurality of first spaced facilities contacting the first conductive coating and capable of delivering electrical current to the first conductive coating; and a plurality of second spaced facilities contacting the second conductive coating and capable of delivering electrical current to the second conductive coating to establish the electrical potential through the electrochromic medium.