Abstract: A display device includes: a first substrate in which a display area and a non-display area disposed outside the display area are defined; a second substrate facing the first substrate; and a cell seal disposed on the non-display area, where the cell seal includes a bonding filament connecting the first substrate and the second substrate to each other.

Abstract: A system and method for controlling a lighting system may be integrated into a lighting fixture or into a stand-alone device. A plurality of inputs defining one or more lighting parameters may be received. The inputs may include input signals characterized by at least two different control protocols. The input signals may be combined into an output signal characterized by a single control protocol, and the output signal used to control the lighting system.

Abstract: An electroluminescent device including a lower substrate; a lower structure including an inorganic multilayer; and an upper encapsulation structure, in which the lower structure includes a display region inside an outline of the inorganic multilayer, and a light transmitting region having a non-through-hole structure having at least a portion surrounded by the display region; the lower structure has an inorganic surface portion surrounding the display and light transmitting regions, the upper encapsulation structure has an inorganic lower surface forming an inorganic-inorganic encapsulation contact region; the electroluminescent device does not have a hole formed through both the lower substrate and the lower structure, a portion of the upper encapsulation structure corresponding to the light transmitting region is not removed, and a portion of the pixel definition layer, the portion corresponding to the light transmitting region, is not present.

Abstract: A light source module and a lighting device including the light source module are provided. The light source module includes a first luminous element and a package part covering the first luminous element. The package part includes a first additional illuminant, a second additional illuminant, and a third additional illuminant. The light emitted by the illuminants is mixed to form positive white light which serves as the emitted light of the light source module. The light source module provided by the present disclosure provides an LED positive white light (5000K) light source with high light efficiency, high CS value and high color rendering property by controlling the proportion of luminous energy in different wavelength regions in the total luminous energy. Under the same illumination, the spectrum with high CS value is especially suitable for people to concentrate on learning and working.

Abstract: A light emitting diode includes a light emitting portion, a first electrode, a first reflecting portion, and a second electrode. The first reflecting portion includes conductive material. The first electrode is in electrical contact with the first reflecting portion. The second electrode is electrically connected to the light emitting portion. The first electrode and the second electrode receive different driving voltages and apply the driving voltage to the light emitting portion to drive the light emitting portion to emit light, the first reflecting portion being configured to reflect the light from the light emitting portion.

Abstract: A lighting unit (100) for a medical luminaire (150) has a number of groups of LEDs (110, 110?, 110?) that are connected to a common planar printed circuit board (115). Each LED (112, 112?) of at least one of the groups (110, 110?) is associated with a respective optic (122, 122?) by which a respective LED-optic pair (120, 120?) is formed. The respective optics, based on the structure (328), specify a tilt angle (125) of a central light beam axis (124, 124?) of an emitted light beam of the LED optics pair in a tilt direction (627) of the respective LED optics pair. The tilt direction is defined such that the respective light beam axes of the emitted light beams of the LED optics pairs from the at least one group of LEDs are at least partially skewed in pairs with respect to one another.

Abstract: A lighting fixture with reduced glare is provided. Lighting fixtures described herein use a lens assembly to redirect light away from a housing in order to reduce a unified glaring ratio (UGR) (e.g., when viewed crosswise or endwise). The lens assembly may further provide diffusive properties which result in a more pleasing and soft light over traditional lighting fixtures. In aspects described herein, the UGR of troffer-style lighting fixtures can be improved (e.g., reduced) through lens assemblies having one or more light redirection features configured to particularly redirect light emitted at high v-angles (e.g., light emitted sideways relative to the housing at v-angles greater than 70 degrees). For example, the lens assembly may include an inner prismatic surface of a lens, an inner lens, a louver assembly (e.g., over or under a lens), or a reflector to achieve this light redirection.

Abstract: Example embodiments relate to luminaire systems with movable modules. One example luminaire system includes a support structure. The luminaire system also includes a plurality of light sources arranged on the support structure. Additionally, the luminaire system includes at least a first and second optical module. The first optical module is provided with at least one first optical element and the second optical module is provided with at least one second optical element. The first and second optical module are configured for being interlocked with respected to each other in a moving direction. Further, the luminaire system includes a moving means configured to move the first optical module relative to the support structure in the moving direction, such that a position of the first and second optical module with respect to the support structure is changed.

Abstract: A light emitting device comprises a substrate a plurality of light emitting elements provided on the substrate, and a reflective sheet provided to be positioned at a predetermined reference position on the substrate and having a plurality of apertures that expose the light emitting elements therethrough, respectively. The apertures are configured such that a first spacing that is located between each of the apertures and a respective one of the light emitting elements and farther than the respective one of the light emitting elements from the reference position is larger than a second spacing that is located between each of the apertures and the respective one of the light emitting elements and closer than the respective one of the light emitting elements to the reference position.

Abstract: An LED lighting device includes a seat, an optical assembly and a light source, according to one embodiment of the present invention. The seat has a baseplate and a sidewall. A chamber is formed between the baseplate and the sidewall. The optical assembly completely covers a light-emitting side of the LED lighting device. The light source is disposed in the chamber of the seat and includes multiple LED arrays. Each of the LED arrays includes an LED chip. The optical assembly includes an optical unit. The optical unit includes multiple first optical members and multiple second optical members corresponding to the first optical members. The LED arrays correspond to the first optical members. Each of the second optical members includes a set of optical walls. The set of optical walls surrounds one of the first optical members.

Abstract: Disclosed are a vehicle lamp optical element, a vehicle lamp module comprising the vehicle lamp optical element, a vehicle headlamp, and a vehicle. The vehicle lamp optical element comprises a light incoming part, a transmission part and a light exiting part, which are sequentially arranged. The light incoming part includes at least one light incoming structure. The rear end and the front end, in a light exiting direction, of the transmission part are respectively a light incoming end and a light exiting end of the transmission part. One end, facing away from the light exiting end of the light exiting part forms a light exiting face. The light exiting face is a curved face protruding forwards. The distance between at least one set of opposite side faces of the transmission part gradually increases from the end approaching the light incoming end to the end approaching the light exiting end.

Abstract: A lighting unit which comprises a lens arrangement over a LED module is provided. The lens arrangement comprises a plate having at least one lens integrally formed by the plate for positioning over a substrate of the LED module, and at least one magnifying component integrally formed by the plate. The LED module substrate has an inspection region which is inspected through the magnifying component, so as to enable determination of a spacing between the lens arrangement and the substrate by viewing an image of the marker arrangement created by the at least one magnifying component at a given viewing location. A luminaire is also provided, which luminaire comprises a housing and the lighting unit mounted within the housing, wherein the lens arrangement (10) forms the light output window of the luminaire.

Abstract: The present application discloses a lamp body and a bulb lamp, the lamp body includes a lampshade and a light source assembly, which is integrated on the lampshade. The light source assembly is integrated on the lampshade, a distance between the light source assembly and the external environment is shorten, and the thermal performance is improved. The lampshade includes a mounting window, and the light source assembly is mounted in the mounting window, so that heat of the light source assembly can be directly dissipated to the external environment. The light source assembly includes a light source a transparent light source substrate, a surface of the light source substrate facing an inner cavity of the lampshade is a mounting surface, and the light source is mounted on the mounting surface. The bulb lamp includes a lamp holder and the abovementioned lamp body, the lampshade is connected with the lamp holder.

Abstract: A LED filament (100) comprising an elongated substrate (110), a first region (120), a second region (130) and a third region (140) arranged between the first and second region. The first region comprises a plurality of LEDs (121) of a first LED type configured to emit light with a first CCT, arranged along at least one row on the substrate. The second region comprises a plurality of LEDs (131) of a second LED type configured to emit light with a second CCT, different from said first CCT, arranged along at least one row on the substrate. The third region (140) comprises at least one first LED (141) of the first LED type and at least one second LED (142) of the second LED type. A first LED of the at least one first LED of the third region is located next to a second LED of the second region. A second LED of the at least one second LED of the third region is located next to a first LED of the first region.

Abstract: The present disclosure relates to a lens and a lighting fixture, the lens includes a light incident portion and a light-emitting portion, the light-emitting portion includes a main light-emitting surface and an auxiliary light-emitting surface surrounding the main light-emitting surface. The main light-emitting surface and the auxiliary light-emitting surface protrude toward a side away from the light incident portion, the auxiliary light-emitting surface is a curved surface. The auxiliary light-emitting surface has a protruding height gradually decreasing in a direction away from the main light-emitting surface. The lighting fixture includes a lamp housing, a light-emitting assembly, and a light distribution assembly, the light distribution assembly includes the above lens.

Abstract: A high-efficiency linear light source focused strip lamp has a strip lamp frame, a strip lamp plate provided on the strip lamp frame, a condensing lens arranged above the light emitting direction of the light-emitting chip, and a strip lamp cover connected to the strip lamp frame and located above the condensing lens; the strip lamp cover is provided with a convex lens array that visually stretches the light-emitting chip along a length direction. The high-efficiency linear light source focused strip lamp performs light distribution through the concentrating lens in the vertical length direction, and achieves high-efficiency sweeping function, and in the longitudinal direction, the light-emitting chip is performed visually stretching by the convex lens arrays on the strip lamp cover, thus achieving the effect of the line light source, solves the original glare problem without affecting the efficiency.

Abstract: A color mixing lens assembly is provided. The color mixing assembly may include a center mixing structure arranged concentrically within the optic. The center mixing structure may be configured to receive a first portion of electromagnetic radiation from a light receiving structure. The center mixing structure may include a plated surface. The center mixing structure may include a center kick structure arranged concentrically within the center mixing structure. The center kick structure may be configured to reflect the first portion of the electromagnetic radiation towards the plated surface. The center mixing structure may be configured to reflect the first portion of the electromagnetic radiation from the plated surface through an exit surface of the optic. The optic may be configured to reflect a second portion of the electromagnetic radiation received from the light source structure through the exit surface of the optic.

Abstract: A luminaire and LED light engine are provided. The luminaire includes the LED light engine and an optical device. The LED light engine includes an LED array and a partial diffuser. The partial diffuser diffuses light that is emitted by LEDs of a selected first subset of LEDs in the LED array and leaves undiffused light that is emitted by LEDs of a second subset of LEDs in the LED array. At least some LEDs are selected for inclusion in the first subset as emitting light that produces poorly blended colors in a light beam emitted by the LED array. The optical device is configured to receive a light beam emitted from the LED light engine and emit a modified light beam.

Abstract: Provided is a backlight unit, a display apparatus, and a method of manufacturing the display apparatus capable of securing a uniform and wide illumination area with a small number of light sources through reflection of a reflective layer. The backlight unit includes a plurality of light sources configured to emit light; a first reflective layer configured to reflect the light emitted from the plurality of light sources; and a second reflective layer configured to reflect the light reflected from the first reflective layer, wherein an amount of reflection from the first reflective layer and an amount of transmission through the first reflective layer are different from each other according to an angle of incidence of light incident on the first reflective layer.

Abstract: The invention provides a light generating device (1000) configured to generate device light (1001), wherein the light generating device (1000) comprises a first light source (110), a first luminescent material (210), a second light source (120) of second light source light (121), and a second light source (130), wherein: the first light source (110) is configured to generate blue first light source light (111) having a first peak wavelength ?1 selected from the spectral wavelength range of 437-472 nm, wherein the first light source (110) is a first laser light source (10); the first luminescent material (210) is configured to convert at least part of the first light source light (111) into first luminescent material light (211) having an emission band having wavelengths in one or more of (a) the green spectral wavelength range and (b) the yellow spectral wavelength range, wherein the first luminescent material (210) comprises a luminescent material of the type A3B5O12:Ce, wherein A comprises one or more of Y,