Abstract: A liquid crystal display module includes a liquid crystal display panel, a backlight and a frame-shaped mold frame capable of mounting the liquid crystal display panel thereon and housing the backlight. On a flexible printed circuit board which has one end thereof connected to the liquid crystal display panel, a light source is mounted in a state that the light source faces a light incident surface of a light guide plate in an opposed manner. A plurality of electronic components are mounted in the vicinity of the light source. A housing portion for housing the plurality of electronic components is formed in the mold frame. The plurality of electronic components is mounted in a state that terminals of the electronic components are arranged in the direction perpendicular to the light incident surface of the light guide plate.

Abstract: A liquid crystal display (“LCD”) module includes an LCD panel, a light source unit, a mold frame, a bottom chassis and a driving circuit substrate. The light source unit supplies light to the LCD panel. The mold frame includes a bottom part and sidewall part, and receives the LCD panel and the light source unit. The bottom chassis covers the mold frame and includes a first opening. The driving circuit substrate is disposed between the mold frame and the bottom chassis, and includes a circuit component. The circuit component is formed corresponding to the first opening.

Abstract: A connecting structure for connecting a cable and a light source includes a wound part and a pin-shaped terminal. The wound part is formed at a distal end of the cable by bending an exposed end of a lead wire of the cable in a spiral shape. A direction of a center axis of the wound part substantially coincides with a direction of the distal end of the cable. The pin-shaped terminal is disposed at an end of the light source and fixedly connected to inside of the wound part. A direction of the pin-shaped terminal substantially coincides with the direction of the distal end of the cable.

Abstract: A display device 1 of an embodiment of the invention has a first display panel (10A), a second display panel (10B) that is disposed behind the first display panel (10A), a front rim 20 that is disposed in front of the first display panel (10A), an intermediate cases (30, 35) that are disposed between the first display panel (10A) and the second display panel (10B), and support the first display panel (10A) and the second display panel (10B), and a backlight 40 that is provided behind the second display panel (10B). At least the front rim 20, intermediate cases (30, 35) and backlight 40 are provided with fixing holes 23a, 33a, 38a, 44a in their corners, and fixing is effected integrally at each corner. Thanks to such structure, a display device is provided in which the distance between the two display panels can be altered by an inexpensive method.

Abstract: The object of the present invention is to make parts and kinds of liquid crystal display devices in common for cope stably and flexibly with commercial products of computer makers and television makers which have been promoted in various kinds, for simplifying maintenance of a liquid crystal display unit mounted on computers, display monitors therefor or televisions, and preferably for enabling to omit positional adjustment of a light source unit and a liquid crystal display panel during the maintenance of the liquid crystal display device.

Abstract: To eliminate or reduce unevenness on a screen display generated due to distortion stresses generated because of small size differences or the like occurred during the time of processing or assembling. A liquid crystal module includes a liquid crystal panel for displaying an image, a backlight for irradiating light to the liquid crystal panel to light up the liquid crystal panel, and a shield plate for shielding electromagnetic waves from inside and outside, wherein the backlight is mounted to a frame-type chassis and a panel holding frame for holding the liquid crystal panel is provided thereto. The frame-type chassis and the panel holding frame are structured to be capable of being displaced in a direction approaching to or isolating from the screen of the liquid crystal panel by a displacement adjusting screw that is engaged either with the frame-type chassis or with the panel holding frame.

Abstract: There are provided a polymer dispersed liquid crystal (PDLC) display not using a backlight unit and a method of fabricating the same. The PDLC display comprises a rear substrate over which a thin film transistor (TFT), a first electrode, and a second electrode are formed, a front substrate apart from the rear substrate and having a first black matrix formed thereon corresponding to a region where the TFT is formed, a PDLC layer disposed below the first black matrix and formed between the front and rear substrates, a light source formed on one side of the PDLC layer and configured to provide light to the side of the PDLC layer, and a first reflection plate formed on the other side of the PDLC layer and configured to reflect light incident via the PDLC layer.

Abstract: A backlight unit includes a light source, a light guide guiding light from the light source, an optical sheet disposed on the light guide, and an inner frame having an opening housing the optical sheet. A peripheral portion of the optical sheet includes a projection group respectively at each of the longitudinal sides that are among the constituent sides of an approximately rectangular external contour of the optical sheet. The projection group includes a first projection arranged in a projection insertion region provided in a side wall of the inner frame and a second projection arranged outside of the projection insertion region in the opening of the inner frame.

Abstract: An optical sheet capable of eliminating rapid lowering of the luminance view angle while minimizing the lowering amount of the front luminance, or while avoiding the lowering of the front luminance is provided. The optical sheet includes a first light transmissive film and a second light transmissive film. The first light transmissive film and the second light transmissive film are layered on each other, the first light transmissive film has a plurality of first convexes that extend in a given direction and are arranged in parallel in a direction crossing the given direction in-plane on the second light transmissive film side, and the second light transmissive film has a plurality of second convexes that are arranged in parallel in one direction and are arranged in parallel in a direction crossing the one direction in-plane on the first light transmissive film side, and has shape anisotropy and refractive index anisotropy in-plane.

Abstract: A light-scattering film includes a support; and a layer including a light-scattering particle and a light-transparent resin, wherein the light-scattering film satisfies following formulae (1) to (3) at the same time: nB435<nP435 ??Mathematical Formula (1) nS545<nP545 ??Mathematical Formula (2) 0.9<(nP435/nB435)/(nP545/nB545)<1.005 ??Mathematical Formula (3) wherein nP435 and nP545 represent refractive indexes of the light-scattering particle at wavelengths of 435 nm and 545 nm, respectively, and nB435 and nB545 represent a refractive indexes of the light-transparent resin at wavelengths of 435 nm and 545 nm, respectively.

Abstract: A backlight unit for slimmed structure and exhibiting uniform brightness through the improvement of its luminance efficiency and the quality in appearance of which is improved by the removal of bright lines, and a liquid crystal display device having the same are disclosed. The backlight unit includes a plurality of light emitting lamps disposed above a cover bottom such that the light emitting lamps are arranged at regular intervals, a diffusion plate disposed above the light emitting lamps, the diffusion plate including a substrate, a light control part formed on the bottom surface of the substrate corresponding to the light emitting lamps, and lens parts mounted on the top surface of the substrate, and an optical film disposed above the diffusion plate.

Abstract: An optical device (1) for backlighting a liquid crystal display (50) is provided. The optical device (1) comprises an optical element (10). The optical element (10) includes a material body (10?) and at least one recess (12). The recess is formed in said material body (10) and configured in order to determine the light distribution of light to be directed towards the liquid crystal display (50).

Abstract: A light-guide plate includes a base plate, first protrusion patterns and second protrusion patterns. The first protrusion patterns are formed on a left portion of an upper surface of the base plate with respect to a central line of the upper surface. The first protrusion patterns have a cross-section of a trapezoidal shape which has a top and a bottom parallel with each other and first and second inclined sides inclined at different angles with respect to the bottom side. The second protrusion patterns are formed on a right portion of the upper surface with respect to the central line. A cross-section of the second protrusion patterns have the trapezoidal shape and disposed substantially symmetrical to the first protrusion patterns with respect to the central line.

Abstract: A backlight module is provided. The backlight module includes a frame, a plurality of light emitting elements, at least one photo sensor device and a diffusing plate. The frame has a bottom plate on which the plurality of light emitting elements are disposed. The photo sensor device is distributed on the bottom plate and among the plurality of light emitting elements. It is to be noted that the photo sensor device includes a light mixing component having a receiving space configured at a bottom thereof, and a photo sensor chip received in the receiving space. The diffusing plate is disposed in the frame and above the light emitting elements and the photo sensor device. The backlight module has an excellent light outputting performance and an LCD using the same has better displaying performance.

Abstract: Disclosed is a compound comprising Ba—Sr—Ca obtained by heat treating, under a reducing atmosphere, a starting material which is a blend comprising Ba oxide; Sr oxide; Ca oxide; an oxide of Eu, Mn, Sm, Sn, Sb, Ce, Pr, Nd, Gd, Tb, Dy, Ho, Er, Tm, Yb, or Bi; Mg oxide; and an oxide of Si or Ge; the blend being mixed together in a molar ratio of x:y:z:(7-x-y-z):a:b, where 0<x<7, 0<y<7, 0<z<7, 0.9<a<1.1 and 3.6<b<4.4, wherein the compound comprising Ba—Sr—Ca provides white luminescence when the compound comprising Ba—Sr—Ca is illuminated by ultraviolet or near-ultraviolet electromagnetic radiation.

Abstract: An electro-optical device includes: a substrate; a plurality of wiring lines which is formed on the substrate; and an IC which is mounted on the substrate so as to be electrically connected to the plurality of wiring lines. At least a pair of wiring lines among the plurality of wiring lines include a first conductive layer formed on the substrate and a second conductive layer formed on at least the first conductive layer. The first conductive layer and the second conductive layer have different resistance values. The first conductive layer of one of the pair of wiring lines has a plurality of first resistors each extending toward the other wiring line, and the second conductive layer of the other wiring line has a second resistor extending toward the one wiring line. The plurality of first resistors is connected to the second resistor.

Abstract: Embodiments of polymer dispersed liquid crystals (PDLCs) in accordance with the present invention comprise TL-series liquid crystal materials and a polymer matrix comprising polyacrylate resins having hydroxyl groups. These hydroxyl groups allow crosslinking by using isocyanate, improving mechanical properties and heat resistance. Typical ratios of liquid crystal to polymer range between about 50/50 to 70/30 (wt/wt). The PDLC materials exhibit enhanced sensitivity to driving voltages and higher transmission˜voltage (T-V) curve slope. In testing thin film transistors (TFTs), these PDLC materials can be used to compensate for an increased air gap accommodating flatness variation in the TFT substrate, and to reduce electrostatic forces between modulator and panel. Embodiments of PDLC materials in accordance with the present invention form solid films upon evaporation of the solvent.

Abstract: A method for making a polarizer-and-compensator assembly includes: (a) forming an alignment film on a releasable substrate; (b) forming a liquid crystal film on the alignment film so as to form a compensator layer on the releasable substrate; and (c) transferring the compensator layer from the releasable substrate to a polarizer plate by removing the releasable substrate from the compensator layer and attaching the alignment film to the polarizer plate.

Abstract: In a transflective liquid crystal display device having a first substrate, a second substrate, a liquid crystal layer disposed between the two substrates and a reflective region and a transmissive region in each pixel; the second substrate has a pixel electrode to drive the liquid crystal layer and a common electrode; the reflective region of the second substrate is formed with an in-cell polarizer between the pixel electrode and common electrode and the reflector. In this invention, the thickness of the liquid crystal layer is set greater in the reflective region than in the transmissive region. The difference in the liquid crystal layer thickness between the reflective region and the transmissive region is provided by forming a step in the first substrate or the second substrate.

Abstract: To provide a protective film for a polarizing plate that shows a water vapor transmission rate (WVTR40) of 30 g/m2·day or less at 60° C. and a relative humidity of 40%, a water vapor transmission rate (WVTR95) 80 g/m2·day or more and 300 g/m2·day or less at 60° C. and a relative humidity of 95% and a value obtained by dividing the difference between WVTR95 and WVTR40 by the water vapor transmission rate (WVTR60) at 60° C. and a relative humidity of 60%, or (WVTR95-WVTR40)/WVTR60, 2.0 or more.

Abstract: There is provided a liquid crystal display which includes: a liquid crystal cell containing a pair of transparent substrates and a liquid crystal layer containing liquid crystal molecules, sandwiched between the pair of the transparent substrates; and a polarizing plate, disposed on an outside of each transparent plate, and comprising at least a polarizer and an optical film containing at least first, second and third optical anisotropic layers, wherein the liquid crystal display device satisfies the following conditions (1) to (7).

Abstract: A liquid crystal display device includes a first substrate and a second substrate sandwiching a liquid crystal layer therebetween, a first polarizer disposed adjacent to the first substrate at a side opposite to a side of the first polarizer facing the liquid crystal layer, with a first gap between the first polarizer and the first substrate, a second polarizer disposed adjacent to the second substrate at a side opposite to a side of the second polarizer facing the liquid crystal layer, with a second gap between the second polarizer and the second substrate, wherein at least one of the first and second gaps includes therein a first retardation film having a positive optical anisotropy and a second retardation film having a negative optical anisotropy, such that the first retardation film is disposed closer to the liquid crystal layer with respect to the second retardation film.

Abstract: A display device includes a first substrate including pixels and sensing electrodes corresponding with the pixels, and a second substrate facing the first substrate. The second substrate includes an organic layer with a black matrix dividing the pixels and a sensing spacer opposite to the sensing electrode. The organic layer including the black matrix and the sensing spacer may be formed in a single process using organic photoresist material. A mask includes a light-intercepting pattern including slits to block a portion of ultraviolet light emitted towards a photoresist layer to form the black matrix. The mask also includes a pattern to block ultraviolet light in a region corresponding to the sensing spacer if a negative type photoresist material is used, or the mask does not block ultraviolet light in the region corresponding to the sensing spacer if a positive type photoresist material is used.

Abstract: According to an embodiment, an array substrate for an LCD device includes a substrate, gate lines on the substrate along a first direction, data lines formed along a second direction and crossing the gate lines to define first, second and third pixel regions, thin film transistors at crossing points of the gate lines and the data lines, red, green and blue color filter patterns sequentially disposed in the first, second and third pixel regions, respectively, first, second and third common lines corresponding to the first, second and third pixel regions and receiving first, second and third common voltages, respectively, a pixel electrode over each of the red, green and blue color filter patterns and connected to one of the thin film transistors, and a common electrode over each of the red, green and blue color filter patterns and connected to one of the first, second and third common lines.

Abstract: Increased is the variety of changes of an image in accordance with observation conditions displayed on an optical device including a solidified liquid crystal material. An optical device includes a layered structure including a recess-forming layer with light-transmitting property, a main surface of which includes one or more recess-forming regions each provided with first grooves equal in longitudinal directions to one another and adjacent to one another in a direction crossing the longitudinal directions, and a liquid crystal layer supported by the main surface and made of a solidified liquid crystal material, and a reflection layer facing the layered structure.

Abstract: Provided are a semi-transmitting and semi-reflecting electrode substrate provided with a transparent conductive layer which is almost free from the generation of residues caused by etching and is resistant to an etchant for a metal reflecting layer (metal layer), a method of producing the semi-transmitting and semi-reflecting electrode substrate and a liquid crystal display device using the semi-transmitting and semi-reflecting electrode substrate.

Abstract: A transflective type liquid crystal display panel and a method of fabricating the same are discussed. The transflective type liquid crystal display panel according to an embodiment comprises a gate line on a substrate; a data line crossing the gate line to define a pixel region comprised of a transmitting part and a reflective part; a thin film transistor adjacent to a crossing of the gate and data lines; a first insulation film on a passivation film covering the thin film transistor; a reflective electrode in the transmitting part of the pixel region, for reflecting incident light; a pixel electrode formed on a second insulation film covering the reflective electrode, and connected to a drain electrode of the thin film transistor via a contact hole; and a coupling capacitor for matching a reflective curve of the reflective part with a transmitting curve of the transmitting part.

Abstract: A transflective liquid crystal display device comprising: a first substrate; a second substrate having an opposing electrode; and a liquid crystal layer; wherein the first substrate includes: gate wires; source wires that cross the gate wires in plan view; a reflective pixel electrode that is formed apart from the source wires by a predetermined region in a reflective region, the reflective region is a part of a unit pixel region partitioned by the gate wires and the source wires; and a reflective contrast reduction preventing electrode formed above the reflective pixel electrode in the predetermined region, and the reflective contrast reduction preventing electrode having a region overlapping with the reflective pixel electrode in plan view; and wherein the reflective contrast reduction preventing electrode is connected to the reflective pixel electrode; and the reflective pixel electrode includes a constricted part in close proximity to the contact hole in plan view.

Abstract: A liquid crystal device, in which a liquid crystal layer is held between a pair of substrates, includes a plurality of pixels and a retardation layer. Each of the plurality of pixels includes a transmissive display area and a reflective display area. The retardation layer is arranged at a position that at least overlaps the reflective display areas and on an inner surface side of the pair of substrates. The retardation layer is formed so as to extend over the reflective display areas of at least two adjacent pixels among the plurality of pixels. The retardation layer has a first end portion and a second end portion. The first end portion is located on one of the two adjacent pixels. The second end portion is opposite the first end portion and located on the other pixel of the two adjacent pixels.

Abstract: A reflection type liquid crystal display panel includes a polarizing plate, a first liquid crystal molecule, and a first corrective membrane. A longitudinal axis of the first liquid crystal molecule is perpendicular to the polarizing plate. The first corrective membrane is interposed between the polarizing plate the first liquid crystal molecule. The first corrective membrane is for correcting phase delay of polarizing light transmitted through the first liquid crystal molecule.

Abstract: A substrate for a liquid crystal display device having a structure capable of preventing fur of the rubbing roller from being in disorder, and a fabrication method thereof is disclosed. One embodiment of a substrate for a liquid crystal display device and a fabrication method thereof discloses an alignment film is formed over the transparent common electrode and boundary portions thereof. The transparent common electrode is formed on a transparent substrate.

Abstract: A liquid crystal device, which has a plurality of pixels and switching elements provided in correspondence with the pixels, includes an element substrate, an interlayer insulating film, a first electrode layer, and a second electrode layer. The switching elements are formed in the element substrate. The interlayer insulating film is formed on the switching elements. The first electrode layer is formed on the interlayer insulating film. The second electrode layer is formed in the element substrate and overlaps the first electrode in plan view through an interelectrode insulating film. Each of the pixels includes a first region and a second region. The first electrode layer overlaps the second electrode layer in plan view in the first region. Of the first electrode layer and the second electrode layer, only the first electrode layer is formed in the second region. The thickness of the second electrode layer is smaller than the thickness of the first electrode layer.

Abstract: A liquid crystal display device includes an array substrate and an opposing substrate that are disposed face to face at a prescribed interval. The array substrate includes a scan line, signal lines, switching devices disposed at intersections between the scan line and the signal lines, pixel electrodes disposed in a matrix manner and driven by the switching devices and auxiliary capacitance lines for retaining applied voltage for the pixel electrodes. The pixel electrodes have side edges superposed on the signal lines or black matrices formed on the opposing substrate to achieve shielding of light, and the side edges have parts superposed on shield electrodes disposed on the auxiliary capacitance lines to make an amount of superposition between the pixel electrodes and the signal lines or the black matrices in a region corresponding to positions where the shield electrodes are disposed smaller than that in other regions.

Abstract: An exemplary liquid crystal panel (400) includes a first substrate (401) having a common electrode layer (429), a second substrate (402) parallel to the first substrate, and a liquid crystal layer (403) between the first and second substrates. The liquid crystal layer defines an active area (406) thereat. The second substrate includes common lines (440). Electrical coupling elements are disposed at the active area, so as to electrically couple the common electrode layer to the common lines.

Abstract: A liquid crystal display is provided with a control pattern to allow liquid crystal and a sealing agent to desirably flow during a liquid crystal injection process. The liquid crystal display includes an insulating substrate, a plurality of thin film transistors formed on the insulating substrate, a liquid crystal injection opening formed in a portion outside a region where the plurality of thin film transistors is formed, a first display panel including a plurality of control patterns formed in the liquid crystal injection opening, and a second display panel disposed to face the first display panel.

Abstract: A pixel structure has a pair of substrates, a liquid crystal layer, pixel regions, a patterned organic material layer, and a shielding layer. The liquid crystal layer is disposed between the pair of substrates. The pixel regions are provided on the substrates, and each of the pixel regions is defined by at least two common lines and at least one data line and includes at least two sub-pixel regions. Each pixel region has a pixel electrode which has a main slit adjacent to the border between the two sub-pixel regions. The patterned organic material layer is disposed on one of the substrates and corresponds to one of the sub-pixel regions. The shielding layer is placed corresponding to the main slit. Display panel and electro-optical device which have the pixel structure and the methods for manufacturing them are also disclosed.

Abstract: A film-chip complex includes a film which includes a connection region along one side, a chip which is mounted on the film, a gate signal line which is disposed on the film, wherein the gate signal line includes a gate lead which is disposed in the connection region and a gate main line which connects the chip with the gate lead and a signal line which is disposed on the film, wherein the signal line includes a signal lead which is disposed in the connection region, a signal main line which extends substantially toward an exterior of the connection region and a signal pad which is connected with the signal main line.

Abstract: A liquid crystal display (“LCD”) includes a circuit board including a first connector which receives a data signal and a second connector which is separated from the first connector and receives a power supply voltage, a timing controller mounted on the circuit board, the timing controller receiving the power supply voltage from the second connector and the data signal from the first connector, and processing the data signal received from the first connector, and a liquid crystal panel displaying an image using the data signal processed by the timing controller.

Abstract: A liquid crystal display device using a plastic substrate becomes required to have high resolution, high opening ratio, high reliability, or the like, with the increasing of a screen size. Besides, high productivity and cost reduction is also required. According to the present invention, a protective film 123 comprising at least one silicon nitride film, which is formed by a ratio frequency sputtering using a silicon target, is provided over an opposing substrate (a flexible substrate); sealant 112 is drawn; a liquid crystal material 114 is dropped over the opposing substrate in vacuo; and the opposing substrate is pasted to a flexible substrate 110 provided with a pixel electrode 111 and a columnar spacer 115.

Abstract: A color display device comprising at least two substrates spaced from each other, the substrates each having an internal and an external surface, the internal surfaces of the two substrates facing each other, at least one of the substrates being transparent; electrodes positioned to establish a field in the space between the two substrates; an optically active material occupying at least a portion of the space between the two substrates and having optical properties influenced by the field; a color filter layer comprising color filter elements that alter the color of light traveling through the color filter layer, the color filter elements being positioned outside of the space between the two substrates; and a three-dimensional black mask comprising mask elements aligned with the boundaries between adjoining color filter elements.

Abstract: A new interchangeable eyewear adornment accessory and attachment method is disclosed. The present invention provides the method of attaching eyewear decorative features so that only the decorative feature is visible, maintains proper orientation, it is held securely in place, it can be easily removed quickly, and it may be easily interchanged with another decoration.

Abstract: An eyeglass assembly includes a lens holding “base-frame” with two temples pivotally attached and extending rearward; this “base-frame” is grooved to hold prescription, reading or sunglass lenses. This “base-frame” marries with various lens-holding front-frames enhancement components. The additional front-frame components have the option of holding prescription, reading or sunglass lenses; or can be used with generic colorized lenses, strictly as a “fashion” statement. The base-frame and front-frame enhancement components utilize magnetized ultra-thin special “rare earth” magnetic materials. This material is embedded and concealed in between laminated layers of plastic. These frame enhancement components are self-aligning when attached, and cling securely to the base-frame front with no visible appendages apparent or showing.

Abstract: A spectacle frame and lens arrangement whereby each lens rotates up and out of the field of vision by pivoting about a central pivot mechanism in the frame which keeps the lenses within the same plane both in the park and use positions. This differs from traditional flip-up spectacles that operate by causing the lens to fold up and forward from the user's eyes or outward to each side. This is accomplished by a simple squeeze of the frame and lower edge of a single lens between the forefinger and thumb of one hand.

Abstract: Eyewear has a frame front and a temple connected to the frame front at a corner. The temple has an earpiece and a tip, one of which has a mechanism integrated therein for removing bottle caps. In another embodiment, the bottle cap removing mechanism is embedded in the temple between the earpiece and the corner. Other embodiments are also described and claimed.

Abstract: A lens system and optical devices that provide enhanced vision correction are disclosed. The lens system includes an electro-active layer that provides correction of at least one higher order aberration. The higher order correction changes dynamically based on a user of the lens system's needs, such as a change by the user's gaze distance, pupil size, or changes in tear film following blinking, among others. Optical devices are also described that use these and other lens systems to provide correction of higher order aberrations. An optical guide is also described that guides the user's line of sight to see through a lens region having a correction for a higher order aberration.

Abstract: This invention discloses improved mold parts fashioned from a thermoplastic resin compounded with a thermoplastic elastomers. The mold parts can be used in manufacturing processes, such as, for example: continuous, in-line or batched processes to obtain a high degree of precision and accuracy, such as those necessary in the manufacture of ophthalmic lens mold applications. In addition, the present invention includes ophthalmic lenses created using the improved mold parts.

Abstract: An optical image measurement device comprises: an interference-light generator configured to generate an interference light by splitting a low-coherence light into a signal light and a reference light and superimposing the signal light having passed through an eye and the reference light having passed through a reference object; a detector configured to detect the generated interference light; a calculator configured to obtain intensity distribution of the interference light in the eye, based on a result of the detection by the detector; a determining part configured to determine a projection position of the signal light to the eye, based on the obtained intensity distribution; and an image forming part configured to form an image of the eye, based on a result of detection of a new interference light based on a new signal light projected toward the determined projection position and a new reference light having passed through the reference object.

Abstract: An ophthalmic apparatus capable of observing an examinee's eye even during switching of measurement modes comprises a first measurement unit, a second measurement unit, an up-and-down movement mechanism, a display device, mode switching means which generates a mode switching signal for switching between a first measurement mode and a second measurement mode, and a control unit which drives and controls the up-and-down movement mechanism to change a state in which a first center axis and the eye are placed at substantially a same height into a state in which a second center axis and the eye are placed at substantially a same height by moving a main body of the apparatus, and controls to display the image outputted from a first image-pickup element and the image outputted from a second image-pickup element simultaneously on the display device during a shift from the first measurement mode to the second measurement mode.

Abstract: An optical image measurement device has: an interference-light generator configured to generate an interference light by splitting a low-coherence light into a signal light and a reference light and superimposing the signal light having passed through an eye and the reference light having passed through a reference object; a detector configured to detect the generated interference light; and a scanner configured to scan a projection position of the signal light on the eye, and the optical image measurement device is configured to form an image of the eye based on a result of detection by the detector. The optical image measurement device comprises a projector configured to project fixation information for fixing the eye onto a fundus oculi of the eye when the scanner scans with the signal light.

Abstract: A performance of the optical system is evaluated based on a correlation between a visual acuity when looking through the optical system and the chromatic aberration of magnification of the optical system, the correlation being a proportional relation such that, when the visual acuity is expressed by a logarithmic visual acuity, the logarithmic visual acuity deteriorates substantially in proportion to the chromatic aberration of magnification, or on a correlation between the visual acuity and an optical value regarding the chromatic aberration of magnification which is substantially equivalent to the correlation.