895 results about "Dark spot" patented technology

The electroluminescent device successively comprises a cathode, an electroluminescent layer, a transparent electrode layer, an evanescent light-scattering layer comprising a matrix composed of a low-refractive material containing light-scattering particles, and a transparent sheet / plate. Such an electroluminescent device is decreased in total reflection not only at a boundary surface between a transparent substrate and an outside air layer but also at a boundary surface of the transparent electrode layer on its light extraction side, and therefore, is considerably improved in light extraction efficiency. In addition, in the electroluminescent device provided with a barrier layer, the transparent electrode layer and the electroluminescent layer can be well protected so that deterioration of electroluminescent pigments and occurrence of dark spots can be effectively prevented, resulting in enhanced life of the device.

A dark spot defect caused by short-circuiting of an EL element is detected based on an emission brightness or a current flowing through the EL element when an element driving transistor which controls a drive current to be supplied to the EL element is operated in its linear operating region and the EL element is set to an emission level. A dim spot defect caused by a characteristic variation of the element driving transistor can be detected based on a current flowing through the EL element when the element driving transistor is operated in its saturation operating region and the EL element is set to the emission level. When an abnormal display pixel is detected based on an emission brightness, a pixel which is determined as an abnormal display pixel and which is not determined as a dark spot defect during a dark spot inspection is determined, and the pixel is detected as a dim spot defect caused by the characteristic variation of the element driving transistor.

A messenger strand mounted low-power pico-cell radio, having its own environmentally controlled box, mounted on utility messenger strands, connects to the cable using the Internet protocol (IP) for back-haul, and has in-band monitor and control capability. These pico-cell radios also receive power through the same cable connection. The configuration control and monitoring is by independent discretely-managed internal mechanisms that can be remotely addressed. These internal mechanisms include the modem for backhaul, wireless radio transceiver(s), and the system management device for operation, administration, maintenance, and control. Such pico-cell radios help to provide wireless connectivity and coverage efficiently by reducing dark spots in wireless coverage. Distributing these radios in reasonable, close proximity enables wireless coverage in difficult terrains, where current high power systems fail. The radios disclosed herein eliminate the need and cost for additional power lines and IP connection lines, and are therefore easy to install and maintain.

Disclosed herein is a skin condition-improving composition for topical application to the skin, comprising human growth hormone as an active ingredient, and a method for improving skin conditions using the same. The disclosed composition exhibits various skin conditioning effects, such as acne treatment, wrinkle improvement, dark spot removal, skin elasticity improvement, hair growth stimulation, skin aging prevention, skin moisturization and the proliferation of skin epidermal stem cells.

A dark spot defect of an EL element is detected based on an emission brightness or a current flowing through the EL element when an element driving transistor which controls a drive current to be supplied to the EL element is operated in its linear operating region and the EL element is set to an emission level. A dim spot defect caused can be detected based on a current flowing through the EL element when the element driving transistor is operated in its saturation operating region and the EL element is set to the emission level. When an abnormal display pixel is detected based on an emission brightness, a pixel which is determined as an abnormal display pixel and which is not determined as a dark spot defect is determined, and the pixel is detected as a dim spot defect caused by the characteristic variation of the element driving transistor.

A photocurable resin composition for sealing an organic EL device is provided, which can seal the organic EL device without exerting any bad influence on the device, thereby suppress the formation and growth of dark spots positively, and which can ensure a high transmittance of light, thereby maintain a stable light emitting characteristic over a long period of time. The composition comprises (A) an epoxy resin containing at least two glycidyl groups in each molecule thereof and having a molecular weight of 200 to 7000, (B) an epoxy resin containing at least one glycidyl group in each molecule thereof and having a molecular weight of 20000 to 100000, (C) a latent acid photo catalyst adapted to be activated and produce an acid upon being irradiated with energy beam, and (D) a silane coupling agent containing a glycidyl group in each molecule thereof, the composition exhibiting non-fluidity at 25° C., but exhibiting fluidity in a temperature range of 50° to 100° C.

The invention relates to an automatic optical detection method and an automatic optical detection system. The method comprises the following steps: obtaining liquid crystal screen images in preset display states of multiple pure colours, grey-scale images, grey-level images and multi-colour alternating images respectively; processing the liquid crystal screen images in the obtained display states, judging whether a liquid crystal screen has defects or not, if so, then identifying the types of the defects, recording the positions of the defects, and counting the number of the defects; obtaining the liquid crystal screen images of the turned-off liquid crystal screen in an external light irradiation state; processing the liquid crystal screen images in the obtained external light irradiation state, and judging whether the liquid crystal screen has appearance defects or not. According to the automatic optical detection method and the automatic optical detection system provided by the invention, brightness, dark spots, bright lines, dark lines, surface defects and appearance defects can be detected, defect detection types are increased, unqualified products are reduced, the quality of the liquid crystal screen is improved, a production line can be improved, and the production yield of the liquid crystal screen can be increased.

Concatenatable lighting fixtures, each comprising a unitary cover member having a circuit board mounting platform integrally formed with suitable heat sinking and which mounts onto a cooperating base chassis. In one embodiment, the circuit board mounting platform extends farther from one end of the cover member than the other so as to facilitate placement of LEDs in a fashion which enhances lighting uniformity and minimizes dark spots. In one embodiment, first and second guide members may be positioned in respective opposite ends of adjacent fixtures, each guide member having a plurality of extending fingers with a flexible electrical conductor-carrying conduit disposed between the respective opposite ends and retained in position by the fingers.

In order to provide a display device of high reliability in which an amount of moisture and oxygen, which are a factor for deteriorating a characteristics of a display device, entering from a sealing agent is reduced and its manufacturing method, the present invention has a sealing film. Accordingly, an interlayer insulating film including an organic material of the display device (panel) is no longer exposed to the atmosphere outside of the display device. Therefore, it becomes possible to prevent moisture and oxygen outside of the display device from entering inside of the display device through an insulating film and the like including a hygroscopic organic material. In addition, various degradations such as contamination of an inner part of the display device caused by moisture, oxygen and the like, the degradation of electric properties, a dark spot and shrink can be prevented, thus enhancing reliability of the display device.

A solid-sealed organic electroluminescence display device is provided with means of preventing the occurrence of a dark spot in the market, due to the degradation of an organic EL light emitting layer by water entering from a pinhole of a sealant. In order to prevent the degradation of the organic EL layer by water, a first inorganic film, an organic flattening film, and a second inorganic film are formed on an upper electrode. Water entering from the pinhole in the second inorganic film diffuses into the organic flattening film, and degrades the organic EL layer in several months, resulting in a defect in the market. In order to prevent this, a material capable of reacting with oxygen or water and exhibiting color is added to the organic flattening film. Then, the defective organic electroluminescence display device is picked up and eliminated prior to delivery to the market.

An organic EL device having a drying medium capable of suppressing the growth of a dark spot equipped with a water-capturing medium layer for chemically capturing water placed on a water-capturing medium holding layer. The organic EL device is comprised of a sealed container having a glass substrate and a sealing cap bonded to the glass substrate. The sealed container is provided with a light emitting region formed on the substrate which is formed of organic EL material layers placed between a pair of opposite anode and cathode electrodes. The sealed container further includes a water-capturing medium holding layer provided on an inner surface of the container spaced apart from the light emitting region and a water-capturing medium holding layer.

The invention relates to a display panel, which is characterized in that the opening area of any sub-pixel arranged in a first transition display area is larger than that of a same-color sub-pixel arranged in a first display area, and the opening area of any sub-pixel arranged in the first transition display area is less than that of a same-color sub-pixel arranged in a second display area; the minimum distance between any two most adjacent same-color sub-pixels arranged in the first display area is x, the minimum distance between any two most adjacent same-color sub-pixels respectively arranged in the first transition display area and the second display area is y, and the minimum distance between any two most adjacent same-color sub-pixels arranged in the second display area is z, y is greater than or equal to x and less than or equal to z, and the opening area of the sub-pixel is a light emitting area of the sub-pixel. The display panel can effectively reduce the difference in visionof users due to the different sub-pixel per inch (PPI) between the first display area and the second display area, avoid the occurrence of dark spots or dark lines and improve the display effect. Theinvention further provides a display device.

A lighting apparatus is described. One embodiment of the lighting apparatus includes a substrate and a lighting element. The lighting element is coupled to the substrate to emit light through a light exit plane. The light exit plane is substantially perpendicular to the substrate. By providing a lighting device with a substrate oriented perpendicular to the light exit plane of the lighting device, the lighting device can enable better mixing of the light from different LEDs. The lighting apparatus facilitates light mixing, generally, to minimize or eliminate dark spots on the diffusion panel. The lighting device also facilitates color mixing to produce relatively consistent white light on the diffusion panel.

A face image processing method is applied to an electronic device, such that the electronic device can perform a face detection to a digital image to obtain a face image in the digital image automatically, and perform a skin color detection to the face image to exclude non-skin features such as eyes, eyeglasses, eyebrows, a moustache, a mouth and nostrils on the face image, and form a skin mask in an area range of the face image belonging to skin color, and finally perform a filtering process to the area range of the face image corresponding to the skin mask to filter high-frequency, mid-frequency and low-frequency noises of an abnormal skin color in the area range of the face image, so as to quickly remove blemishes and dark spots existed in the area range of the face image.

An optical system for lighting fixtures uses light emitting diodes arranged in a 2-D array. In one embodiment, a lighting system comprises a framework carrying a plurality of diodes, where each diode has an associated optic that projects the light with a “high,”“medium” or “low” vertical throw, as provided by prismatic “teeth” that refract and reflect light rays in a predetermined manner so that the combined illumination patterns of each diode can blend to generally uniformly illuminate a target surface without dark spots or regions. Each optic has a common primary portion and a selected secondary portion whose tooth / teeth have a “swept” geometry for better angular (vertical and / or horizontal) control of light rays. Structural variations between different secondary portions reside in various factors, including plurality of teeth, length of the tooth along the longitudinal axis A, curvature(s) in the vertical and / or horizontal directions, and angularity or tightness of curvature of the swept geometry.

Concatenatable lighting fixtures, each comprising a unitary cover member having a circuit board mounting platform integrally formed with suitable heat sinking and which cover member mounts onto a cooperating base chassis. In one embodiment, the circuit board mounting platform extends farther from one end of the cover member than the other so as to facilitate placement of LEDs in a fashion which enhances lighting uniformity and minimizes dark spots. First and second guide members may be positioned in respective opposite ends of adjacent fixtures, each guide member having a plurality of extending fingers with a flexible electrical conductor-carrying conduit disposed between the respective opposite ends and retained in position by said fingers.

In order to provide a display device of high reliability in which an amount of moisture and oxygen, which are a factor for deteriorating a characteristics of a display device, entering from a sealing agent is reduced and its manufacturing method, the present invention has a sealing film. Accordingly, an interlayer insulating film including an organic material of the display device (panel) is no longer exposed to the atmosphere outside of the display device. Therefore, it becomes possible to prevent moisture and oxygen outside of the display device from entering inside of the display device through an insulating film and the like including a hygroscopic organic material. In addition, various degradations such as contamination of an inner part of the display device caused by moisture, oxygen and the like, the degradation of electric properties, a dark spot and shrink can be prevented, thus enhancing reliability of the display device.

The main object of the present invention is to provide an inexpensive color filter substrate for an organic EL element and an organic EL display device which are capable of displaying good images having no defects such as dark spots. To attain the object, the invention provides a color filter substrate for an organic EL element having a substrate, a colored layer formed in a pattern form on / over the substrate, and a transparent electrode layer and a conductive layer laminated, in any order, on / over the colored layer, wherein the conductive layer is a coated film.

An organic light emitting display device and a method of repairing the device are discussed. According to an embodiment, the device includes a display panel having pixels, each including an OLED in every pixel area defined as scan and data lines intersect with each other and having a repair structure in at least one of horizontal and vertical directions between adjacent pixels by one or more repair lines; a timing controller configured to generate compensation data when a dark spot is generated in one of the plurality of pixels of the display panel, and adjust a magnitude of image data according to the compensation data; and a data driver configured to adjust a magnitude of a data voltage according to the image data adjusted in magnitude, and output the data voltage adjusted in magnitude to the data lines.

An angled illumination tube is capable of reducing a dark spot behind the reflector, while illuminating the tube uniformly over the length of the tube. The tube is used in combination with a light source providing a light beam and comprises an angled transparent tubular conduit having a first end and a second end on opposite longitudinal ends of the conduit. The conduit has a bend between the first and second longitudinal ends, and is used with the first end receiving the light beam from the light source in order to guide the light beam along the length of the conduit. A reflector is disposed within the bend to reflect the light beam from the first end to direct a reflected light beam towards the second end. The reflector defines an incident light axis along which the light beam is guided to the reflector, and a reflected light axis along which the reflected light beam is directed to said second end. The reflector is composed of a plurality of mirrors arranged in a parallel array along a bisector that divides an included angle between the incident and reflected light axes at an angle ( theta ) with respect to the incident light axis. Two adjacent ones of the mirrors are spaced at a fixed distance (d) along the bisector and of uniform length (L) measured within a plane including the incident and reflected light axes. The mirrors are arranged to satisfy the following relation:

The concentration of oxygen, which causes problems such as decreases in brightness and dark spots through degradation of electrode materials, is lowered in an organic light emitting element having a layer made from an organic compound between a cathode and an anode, and in a light emitting device structured using the organic light emitting element. The average concentration of impurities contained in a layer made from an organic compound used in order to form an organic light emitting element having layers such as a hole injecting layer, a hole transporting layer, a light emitting layer, an electron transporting layer, and an electron injecting layer, is reduced to 5×1019 / cm2 or less, preferably equal to or less than 1×1019 / cm2, by removing the impurities with the present invention. Formation apparatuses are structured as stated in the specification in order to reduce the impurities in the organic compounds forming the organic light emitting elements.

The invention discloses a luminous module hidden under a mobile phone screen. The luminous module includes a screen component, a micro backlight illuminating system installed under the screen component, a liquid crystal display (LCD) screen arranged under a glass cover plate, and a light guide plate which is arranged under the LCD screen and used for illuminating the LCD screen; the screen component includes the glass cover plate; a second through hole is formed in the center of the light guide plate, a second luminous component can be arranged under a light guide component according to needsto achieve the luminous effect, and an imaging system can be arranged under the light guide component to achieve the function of flashing and imaging integration. The luminous module is simple in structure, low in cost, long in life and good in reliability, meanwhile, dark spots, caused by opened holes of the light guide plate, on the display screen can be eliminated, the luminous module can be applied in ordinary LCD touch screens, flash lamps, iris recognition or 3D imaging structured light and other under-screen luminous modules.

An organic EL device comprises a film form of cathode prepared by a sputtering technique, and formed of an alloy of sodium and / or potassium. This cathode is improved in terms of its adhesion to the interface between the cathode and an organic layer and electron injection efficiency, resulting in light emission property improvements. In addition, this cathode causes less damage to the organic layer, is effective for prevention of occurrence of dark spots, and suffers from little or no degradation of performance.

The invention provides an SAR (Synthetic Aperture Radar) image based automatic water area detection method. The SAR image based automatic water area detection method comprises the following steps of a first step, performing de-noising processing on an SAR image; a second step, computing the gradient of an input image through an edge detection operator and obtaining a gradient image of the SAR image; a third step, improving the contrast ratio of the SAR image through a contrast ratio stretching conversion algorithm; a fourth step, achieving secondary self-adaption threshold segmentation through a double-peak iterative method and obtaining two binary image; a fifth step, performing post processing on the binary image obtained in the fourth step through morphology and obtaining a crude extracting target candidate area; a sixth step, removing false alarm, marking the target candidate area extracted from the fifth step, performing statistics of the area of every connecting dark spot, setting an area threshold value according to the resolution ratio of the SAR image, removing the dark spots with the area less than the preset area and marking extracted water areas in an original drawing.

The present invention provides an organic light-emitting element where a lower electrode, an organic compound layer and an upper electrode are laminated on a substrate, wherein the upper electrode of the organic EL element is formed by a laminate of at least a conductive first inorganic film, a conductive organic film and a conductive second inorganic film, in order to suppress the occurrence of dark spot, so that the occurrence of pinholes in the upper electrode leading to dark spots is suppressed. Here, pinholes refer to holes in the upper electrode that penetrate upper electrode from the organic compound layer underneath to the atmosphere above.

A method corrects a color image by avenging at least two color channels in regions near the minimum of histograms of the at least two color channels; selecting the smallest of the avenge color values as a black point; averaging at least two color channels in regions near the maximum of the histograms of the at least two color channels and selecting the largest of the avenge color values as the white point; and correcting the at least two color channels by adjusting the smallest and the largest color averages to respectively match the valves of the black point and the white point to form corrected image data. A preferred method limits the adjustment to a predetermined amount of clipping of the at least two color channels.

An organic light emitting display device, which may maximize aperture ratio of a pixel while also reducing the perception of a dark spot when a sub-pixel is partially short-circuited. The organic light emitting display device includes a plurality of pixels having sub-pixels. Some of the sub-pixels may have a thin organic emission layer which makes them likely to short-circuit across the thin organic emission layer. These sub-pixels are formed as divided sub-pixels including at least two drive transistors and operate such that even if one part of the divided sub-pixel has a short circuit, the other part will continue to emit light. Accordingly, while luminance is reduced as a result of short circuiting, a completely dark spot will not appear in the place of the pixel including the short circuit.

High fiber cookies containing inulin are produced using rotary molding to achieve a variety of shapes while avoiding inulin lumping and excessive dough stickiness and mold release problems by replacing a substantial portion of the inulin with a resistant starch. The rotary molded cookies have a fiber content derived from the inulin and resistant starch of at least about 7% by weight, possess well-defined embossing and imprinting, exhibit at least substantial homogeneity in color and texture and are at least substantially devoid of undesirable dark spots caused by insufficient dispersion or lumping of inulin. A softer, but crisp texture, calorie reduction, shortening or fat content reduction, and sugar content reduction may also be achieved with the combination of inulin and resistant starch. The rotary molded cookies may be in the form of matching faces and bodies thereby providing play value as well as a healthier product for children.

A face image processing method is applied to an electronic device, such that the electronic device can perform a face detection to a digital image to obtain a face image in the digital image automatically, and perform a skin color detection to the face image to exclude non-skin features such as eyes, eyeglasses, eyebrows, a moustache, a mouth and nostrils on the face image, and form a skin mask in an area range of the face image belonging to skin color, and finally perform a filtering process to the area range of the face image corresponding to the skin mask to filter high-frequency, mid-frequency and low-frequency noises of an abnormal skin color in the area range of the face image, so as to quickly remove blemishes and dark spots existed in the area range of the face image.