Abstract: An optical module includes a bench part and a cap on the bench part. The bench part includes a bench, an electrode, a semiconductor optical device and a lens. The electrode is disposed on the first and second areas of the bench. The semiconductor optical device is disposed on the electrode in the first area. The cap includes a pad electrode, a conductor, a ceiling, a front wall, a first side wall, a first wing, and a rear wall. The first wing is disposed on the first side wall. The pad electrode is disposed on the first wing, and the conductor is disposed on the cap base and connected to the pad electrode. The electrode is electrically connected to the conductor on the second area. The ceiling extends along a first plane. The front wall has a front outer face extending along a second plane intersecting the first plane.

Abstract: A light source unit includes a light source configured to emit a light, a first case including a first groove configured to receive the light source therein, a first sealing member disposed in the first groove and covering the light source, a second case disposed on the first case and including a first opening portion overlapping with the first groove, and a quantum dot member disposed between the first case and the second case and including a light conversion area configured to convert the light to a white light and a defect area surrounding the light conversion area. The first opening portion is disposed through the second case, a portion of the light conversion area overlaps with the first opening portion and the first groove, and the light source unit is configured such that the white light exits therefrom through the first opening portion.

Abstract: Disclosed are an optical film, a method for preparing the same, and a liquid crystal display including the same. The optical film is a single film of a non-liquid crystalline thermoplastic resin, and includes: first and second surface part placed on both surfaces of the film in a thickness direction; and an inner part of the film placed between the first and second surface part, wherein the first and second surface part are not aligned with a tilt in the thickness direction, and the inner part of the film is aligned with a tilt in the thickness direction.

Abstract: The disclosed embodiments relate to a system that locks a wavelength of a hybrid laser to a wavelength of a reference laser, wherein a lasing cavity of the hybrid laser includes a reflective gain medium (RGM) comprising an optical gain material coupled with an associated reflector, a phase tuner, a laser ring filter and a silicon mirror. During operation, while the hybrid laser is turned off, the system tunes a reference ring filter to the wavelength of the reference laser. Next, the system turns on the hybrid laser. The system then tunes the laser ring filter in the hybrid laser to the reference ring filter. Finally, the system adjusts the phase tuner in the hybrid laser to align a lasing cavity mode of the hybrid laser with the tuned laser ring filter.

Abstract: A light emitting element includes at least a first light reflecting layer 41 formed on a surface of a substrate 11, a laminated structural body 20 made of a first compound semiconductor layer 21, an active layer 23 and a second compound semiconductor layer 22 formed on the first light reflecting layer 41, and a second electrode 32 and a second light reflecting layer 42 formed on the second compound semiconductor layer 22, the laminated structural body 20 is configured from a plurality of laminated structural body units 20A, a light emitting element unit 10A is configured from each of the laminated structural body units 20A, and a resonator length in the light emitting element unit 10A is different in every light emitting element unit.

Abstract: The present disclosure provides a display substrate and a display device. The display substrate includes a subpixel, a black matrix arranged around the subpixel, and a spacer arranged on the black matrix. At least a portion of the black matrix includes a primary region and a secondary region, one of which is arranged between two adjacent subpixels in an alignment rubbing direction. The spacer is arranged on the primary region, and an alignment rubbing shadow is shielded by the primary region.

Abstract: Inside of a region for inspection set outside a display region of an active matrix substrate, lead-out lines (27a to 27f) connected to data lines pass through in a column direction, and a control line for inspection (31) and six signal lines for inspection (32a to 32f) extend in a row direction. TFTs for inspection (51a to 51f) control a conduction state between the lead-out line and the corresponding signal line for inspection in accordance with a signal on the control line for inspection. Inside the region for inspection, three of the six signal lines for inspection are arranged on one side of the control line for inspection, and the remaining three are arranged on other side of the control line for inspection. One of the two adjacent lead-out lines is connected to one of the former signal lines for inspection via the TFT for inspection (51a, 51c, 51e), and the other is connected to one of the latter signal lines for inspection via the TFT for inspection (51b, 51d, 51f).

Abstract: Each pixel of a multiple view liquid crystal display in a normally black mode includes a counter electrode provided with a slit for generating a fringe electric field. An alignment film subjected to liquid crystal alignment processing in a predetermined direction is disposed on a surface of a TFT substrate provided with the counter electrode. An angle formed by an extending direction of a slit at an end of a pixel region (a first region) and a direction of the liquid crystal alignment processing is greater than an angle formed by the extending direction of the slit in a central part of the pixel region (a second region) and the direction of the liquid crystal alignment processing. The first region has a higher transmittance than that in the second region when low luminance display is carried out.

Abstract: An optical device with variable focused beam pattern includes a first lens structure configured by arranging first lenticular lenses which are formed with liquid crystals or liquid crystal polymers having a first extraordinary refractive index axis direction and of which longitudinal axes are aligned with a first alignment direction, and a second lens structure laminated on a beam emitting surface of the first lens structure and configured by arranging second lenticular lenses which are formed with liquid crystals or liquid crystal polymers having a second extraordinary refractive index axis direction and of which longitudinal axes are aligned with a second alignment direction.

Abstract: In a liquid crystal display device, a reflecting surface is attached to a portion, which overlaps with a periphery portion of a light guiding plate where the light incident section is position in a surface on the light guiding plate side in the dispersing sheet which is positioned farthest to the light guiding plate side among a plurality of optical sheets which are positioned between the light guiding plate and a liquid crystal panel. As a result, light which is emitted from the periphery portion of the light guiding plate is returned into the light guiding plate by being reflected by the reflecting surface, and after this, is emitted as illumination light from a light emitting surface while progressing within the light guiding plate.

Abstract: A display device includes: a display panel including a display area and a non-display area; a at least one pad in the non-display area of the display panel; a driving chip connected to the at least one pad, the driving chip including a driving circuit and at least one bump therein, wherein the at least one bump has an inclined surface facing toward a central portion of the driving chip.

Abstract: A liquid crystal display with a high transmittance and a low power consumption rate, includes first and second transmittable substrates, a plurality of gate and data bus lines formed on the first substrate, a plurality of color filters formed on the second substrate, and a plurality of microlenses formed on the first or second substrate corresponding to the gate and data bus lines. The microlenses are formed at positions corresponding to the gate and data bus lines which block incident lights, so that most incident lights can be transmitted. Further, the transmittance can be greatly improved by forming the microlenses at the positions corresponding to storage capacitor lines as well as the gate and data bus lines.

Abstract: In some embodiments, the instant invention provides for a system that includes at least the following components: (i) an Alexandrite laser pumping subsystem; where the Alexandrite laser pumping subsystem is configured to: 1) produce wavelengths between 700 and 820 nm, and 2) produce a pump pulse having: i) a duration between 1 to 10 milliseconds, and ii) an energy measuring up to 100 Joules; where the Alexandrite laser pumping subsystem includes: 1) an optical fiber, and 2) a Lens system, (ii) a Thulium doped Yttrium Aluminum Garnet (Tm:YAG) laser subsystem; where the Tm:YAG laser subsystem includes: 1) a Tm:YAG gain medium, 2) a rod heat sink, and 3) at least one cooling device, (iii) a wavelength selecting device, where the wavelength selecting device is configured to deliver a wavelength between 1.75 microns to 2.1 microns; and where the system is configured to produce a high energy conversion efficiency.

Abstract: The invention provides an optical composite layer structure with a built-in touch sensitive polymer dispersed liquid crystal (PDLC) structure. The optical composite layer structure comprises an upper transparent substrate, a lower transparent substrate, an upper transparent conductive layer, a lower transparent conductive layer and a PDLC layer. A PDLC circuit and a touch sensitive circuit are provided on the upper and lower transparent conductive layers. A cable region that is electrically connected to external soft circuit cables is provided at an end of the upper transparent conductive layer and the lower transparent conductive layer to electrically connect to an external control unit. With a touch sensitive operation of a touch sensitive circuit of the optical composite layer structure, a signal instruction is provided to the control unit. The corresponding PDLC circuit may drive the corresponding regions of PDLC layer to conduct the change of light transmission of local region.

Abstract: A gas laser apparatus includes a chamber containing a laser gas, a pair of electrodes disposed within the chamber, a fan disposed within the chamber, a motor connected to a rotating shaft of the fan, and a rotating speed control unit configured to control a rotating speed of the fan based on a wear-out parameter of the pair of electrodes.

Abstract: A laser according to an exemplary embodiment of the present invention includes a pump laser outputting laser light, and a laser resonator including a laser crystal and an acoustic optical modulator and resonating the laser light output from the pump laser, wherein the pump laser is a Nd:YAG, and the laser crystal is Ti:Sapphire.

Abstract: A laser apparatus may include a beam splitter configured to split a pulse laser beam into a first beam path and a second beam path, an optical sensor provided in the first beam path, an amplifier including an amplification region provided in the second beam path and being configured to amplify and emit the pulse laser beam incident thereon along the second beam path, a wavefront controller provided in the second beam path between the beam splitter and the amplifier, and a processor configured to receive an output signal from the optical sensor and transmit a control signal to the wavefront controller.

Abstract: A tunable source includes a short-cavity laser optimized for performance and reliability in SSOCT imaging systems, spectroscopic detection systems, and other types of detection and sensing systems. The short cavity laser has a large free spectral range cavity, fast tuning response and single transverse, longitudinal and polarization mode operation, and includes embodiments for fast and wide tuning, and optimized spectral shaping. Disclosed are both electrical and optical pumping in a MEMS-VCSEL geometry with mirror and gain regions optimized for wide tuning, high output power, and a variety of preferred wavelength ranges; and a semiconductor optical amplifier, combined with the short-cavity laser to produce high-power, spectrally shaped operation. Several preferred imaging and detection systems make use of this tunable source for optimized operation are also disclosed.

Abstract: A system and method for providing laser diodes with broad spectrum is described. GaN-based laser diodes with broad or multi-peaked spectral output operating are obtained in various configurations by having a single laser diode device generating multiple-peak spectral outputs, operate in superluminescene mode, or by use of an RF source and/or a feedback signal. In some other embodiments, multi-peak outputs are achieved by having multiple laser devices output different lasers at different wavelengths.

Abstract: A light-emitting device is provided. The light-emitting device is configured to emit a radiation and comprises: a substrate; an epitaxial structure on the substrate and comprising a first DBR stack, a light-emitting stack and a second DBR stack and a contact layer in sequence; an electrode; a current blocking layer between the contact layer and the electrode; a first opening formed in the current blocking layer; and a second opening formed in the electrode and within the first opening; wherein a part of the electrode fills in the first opening and contacts the contact layer; and the light-emitting device is devoid of an oxidized layer and an ion implanted layer in the second DBR stack.