| Patent application number | Description | Published |
|---|
| 20090126906 | Isolated Gas Cooling System for an Electronic Display - A preferred embodiment relates to a cooling system and a method for cooling an electronic display. Exemplary embodiments include a transparent gas cooling chamber. The components in the system are preferably housed within the electronic display housing. The cooling chamber defines a gas compartment that is anterior to and coextensive with the electronic display surface. Fans may be used to propel the isolated gas through the cooling chamber. The circulating gas removes heat directly from the electronic display surface by convection. The isolated gas is transparent or at least semi-transparent. The image quality of an exemplary embodiment remains essentially unchanged, even though the gas is flowing through a narrow channel over the visible face of the electronic display surface. | 05-21-2009 |
| 20090126907 | Isolated Gas Heating System for an Electronic Display - A preferred embodiment relates to a heating system and a method for heating an electronic display. A preferred embodiment includes a transparent gas heat-transfer chamber which may be coexistent with the viewable display surface. The heating system defines two gas compartments that are anterior and posterior to the electronic display and are in gaseous communication. Fans may be used to propel the isolated gas through the two chambers. The circulating gas transfers heat to the electronic display surface by convection. The isolated gas is preferably transparent or at least semi-transparent. | 05-21-2009 |
| 20090126914 | Isolated Gas Cooling System for Cooling Electrical Components of an Electronic Display - A preferred embodiment relates to a cooling system and a method for cooling an electronic display and its electronic components. An exemplary embodiment includes a transparent gas cooling chamber. The electronic components which operate the system are preferably housed both within the electronic display housing and within the cooling chamber. The cooling system defines a gas compartment that is anterior and posterior to the electronic display surface. Fans may be used to propel the isolated gas through the cooling system. The circulating gas removes heat directly from the electronic display surface as well as the electronic components which operate the display. The isolated gas is transparent or at least semi-transparent. The image quality of an exemplary embodiment remains essentially unchanged, even though the gas is flowing through a narrow channel over the visible face of the electronic display surface. | 05-21-2009 |
| 20090129021 | GAS STATION TELEVISION - Preferred embodiments relates to a cooling system and a method for cooling an electronic display. Embodiments include a transparent liquid cooling chamber, a reservoir tank, and a pump. The components in the system are preferably housed within the electronic display housing. The cooling chamber defines a fluid compartment that is anterior to and coextensive with the electronic display surface. Circulating coolant removes heat directly from the electronic display surface by advection. In order to view the display, the coolant fluid is transparent or at least semi-transparent. The image quality of an exemplary embodiment remains essentially unchanged, even though coolant is flowing over the visible face of the electronic display surface. | 05-21-2009 |
| 20090135365 | Isolated Cooling System Having an Insulator Gap and Front Polarizer - An exemplary embodiment relates to a cooling system and a method for cooling an electronic display. A preferred embodiment includes a transparent gas cooling chamber. The transparent gas cooling chamber may have a linear polarizer. The components in the system are preferably housed within the electronic display housing. The cooling chamber defines a gas compartment that is anterior to and coextensive with the electronic display surface. Fans may be used to propel the isolated gas through the cooling chamber. The circulating gas removes heat directly from the electronic display surface by convection. The isolated gas is transparent or at least semi-transparent. The image quality of an exemplary embodiment remains essentially unchanged, even though the gas is flowing through a narrow channel over the visible face of the electronic display surface. | 05-28-2009 |
| 20090213304 | SYSTEM FOR THERMALLY CONTROLLING DISPLAYS - Exemplary embodiments provide a system for thermally controlling an electronic display. A glass substrate containing a pyrolytic electrically conductive layer is utilized. The electrically conductive layer may be used as a passive thermal insulator or may be electrically energized to further heat the glass substrate. The glass may be used with a closed loop plenum which may further heat/cool the display. Additional glass layers may be added in order to polarize light or provide anti-reflective properties. | 08-27-2009 |
| 20090241388 | ADVERTISING DISPLAYS - Exemplary embodiments comprise static and dynamic advertising displays where the backlight is provided by any one of the following: LED's, organic light emitting diodes (OLED), field emitting display (FED), light emitting polymer (LEP), and organic electro-luminescence (OEL). The backlights for both the static and dynamic advertising displays may be constructed of multiple tiles of lights, such that a single tile may be replaced without having to replace the entire backlight assembly. The display may be mounted on a vertical surface, and components may be repaired or replaced without having to remove the entire display from its mounted position. | 10-01-2009 |
| 20090243501 | COMBINED SERIAL/PARALLEL LIGHT CONFIGURATION - Exemplary embodiments connect lights in both series and parallel. The lights can be LEDs, organic light emitting diodes (OLED), field emitting display (FED), light emitting polymer (LEP), or organic electro-luminescence (OEL). Exemplary embodiments also mount the lights on a printed circuit board (PCB) which has low thermal resistivity between the surface containing the lights and the opposite surface. The opposite surface may be metallic, and air may be forced over this surface in order to cool the assembly. | 10-01-2009 |
| 20090244472 | Constricted Convection Cooling System for an Electronic Display - Preferred embodiments provide a cooling system for an electronic display. A constricted convection channel is used to force cooling air against a posterior surface of the electronic display. Fans may be used to propel or pull air through the constricted convection channel in a substantially uniform manner. A refrigeration unit or thermoelectric module may be employed to cool or heat the air traveling through the constricted convection channel. Some embodiments include a closed loop which extracts heat (or adds heat) to the front display surface. | 10-01-2009 |
| 20090251397 | LIQUID CRYSTAL FLAT PANEL DISPLAY WITH AN INTEGRAL HEATER OF PREDETERMINABLE CAPACITY - A flat panel liquid crystal display has a front plate and a rear plate with a layer of liquid crystal material maintained in a cavity between them. A thin film transistor array layer is disposed in the cavity, as is an integral heater with a grid of intersecting sets of horizontal and vertical conductors. The heating capacity of the heater is predeterminably set by selectively interrupting continuity of at least some of the intersecting conductors. In some embodiments, the discontinuities occur in only one set of the intersecting conductors. | 10-08-2009 |
| 20090251467 | METHOD FOR MAPPING OPTICAL PROPERTIES FOR A DISPLAY DEVICE - Exemplary embodiments provide a method for characterizing the optical display properties of a display. ISO-Inversion and ISO-Contrast charts are generated to pinpoint limitations in the display and trouble shoot the same. | 10-08-2009 |
| 20090251473 | RESOLVING IMAGE / DATA MISMATCH VIA ON-OFF PATTERN - A two-dimensional panel, particularly a liquid crystal display device, has a maximum display area with a width of (T×M) addressable channels. The addressable channels are addressed through a plurality of T source channel integrated circuits (ICs), with each source channel IC having M source channels. The number of addressable channels exceeds the number of channels of data in an image display data array having a width of W pixels, each pixel comprising P subpixels in the width dimension. The excess addressable channels are distributed symmetrically across the width dimension of the displayed image. In other embodiments the number of addressable channels is less than the number of channels of data and excess channels of data are excluded symmetrically across the width dimension of the displayed image. Further embodiments distribute excess addressable channels symmetrically across the height dimension or exclude excess channels of data symmetrically across the height dimension. | 10-08-2009 |
| 20090251602 | System and Method for Providing Video and Audio Signals to Multiple Displays - A system and method for providing digital AV signal to multiple displays where the digital AV signal is displayed simultaneously and sychronized. Exemplary embodiments utilize serializers, de-serializers, and clock cleaners to transmit the data to a chain of display nodes. The display nodes convert the serial data stream into a parallel data stream. The parallel data stream is de-jittered and used to drive a display and optional audio system. The parallel data stream is then converted back into a serial data stream and sent to the next display node in the chain. A clock present in the data stream allows synchronization of all the displays in the chain. A distribution display node may be used at any display node location to increase the number of chains in the data delivery system. | 10-08-2009 |
| 20090254439 | Touch Screen Device With Fuel Pump Access - Embodiments provide a touch screen display in proximity to a fuel pump. The touch screen display presents a graphical user interface (GUI) containing a plurality of in-store products available for purchase. Exemplary embodiments may contain a card reading device whereby in-store items selected for purchase may be purchased at the fuel pump. A second display may be placed within the convenience store or restaurant so that purchased items may be prepared for pickup by the user. Other embodiments may provide an ordering system in proximity to the pump where the in-store goods are purchased within the store. Exemplary embodiments would be capable of producing high-definition video on the touch screen display. Some embodiments also include audio systems and proximity sensors. Wired or wireless electrical connectivity may be used to send the video and/or GUI data to the touch screen display. | 10-08-2009 |
| 20090256851 | METHOD FOR REDUCING VIDEO IMAGE LATENCY - Image latency is reduced in a video display system where an image is displayed for a stroke video frame period. The system has a display device and a plurality of memory buffers, each of which is adapted to receive image data (in a receiving condition) or to display data to the display device (in a display condition). The stroke video frame period is divided into at least two time periods and the number of memory buffers provided is at least the number of time periods per stroke video frame period. One of the memory buffers is in the display condition for a first time period, with the remaining memory buffers in the receiving condition. At the end of the time period, the memory buffers are rotated so that the displayed memory buffer moves to the receiving condition and one of the receiving buffers moves into the display condition. | 10-15-2009 |
| 20090260028 | VIDEO BUFFER FOR USE IN ADVERTISEMENT DISPLAYS - A video buffer system and method for use with advertising display systems. Programming packets are stored at the video buffer and displayed in a continuous loop until the next programming packet has been received and stored. The video buffer system allows for displays to continuously display advertisements during data stream interruption or delay. The video buffer system also records the number of times an advertisement has been played to ensure accurate billing for the advertisement. | 10-15-2009 |
| 20090288756 | FRAME SEAL METHODS FOR LCD - A method for providing a bonded glass component for use in an LCD display. A frame is sealed to a glass component. A barrier coat is then applied to the sealant. An adhesive is poured over the entirety of the glass component and the frame. Starting at one edge of the glass component a second glass component is lowered down until an adhesive wave progresses across the glass component, until the second glass component in position. | 11-26-2009 |
| 20090289580 | BACKLIGHT ADJUSTMENT SYSTEM - A preferred embodiment relates to controlling the amount of backlight in an electronic display to account for the temperature in the backlight cavity. Another embodiment relates to a system for controlling the amount of backlight based on both the temperature in the backlight cavity and the amount of ambient light. The embodiments are especially useful in electronic displays which are subjected to cold or warm temperatures and displays which are placed in very bright environments. Exemplary embodiments allow the display to remain visible, while avoiding possible damage due to high levels of heat or cold. | 11-26-2009 |
| 20090310065 | REMOVABLE TILES FOR ELECTRONIC DISPLAY BACKLIGHTS - Exemplary embodiments include a backlight assembly for an electronic display wherein said backlight assembly is comprised of a plurality of tiles. Each tile has a plurality of lights attached to it, such that when a single light or group of lights fail, the tile may be replaced without having to replace the entire backlight assembly. The lights in the assembly may be any one of the following: light emitting diodes (LED), organic light emitting diodes (OLED), field emitting display (FED), light emitting polymer (LEP), and organic electro-luminescence (OEL). Embodiments also allow tiles to be removed from the rear of the display and dissipate heat from the lights to the rear of the backlight assembly. | 12-17-2009 |
| 20090310066 | LED tile Luminance control circuitry and display containing the same - Exemplary embodiments include a backlight assembly for a display wherein the backlight assembly is comprised of a plurality of tiles. Each tile has a plurality of lights attached to it, such that when a single light or group of lights fail, the tile may be replaced without having to replace the entire backlight assembly. The current draw and/or illumination of each tile is calibrated and maintained throughout the life of the display to ensure a uniform distribution of light across the backlight assembly. | 12-17-2009 |
| 20090322987 | CHANNELIZED PLATE - Preferred embodiments utilize a plurality of optical channels to effectively aim the light emitted by a liquid crystal display (LCD). Embodiments may also change the nominal and range of viewing angles of light in two or three dimensions in order to confine the emitted light towards the intended observer. | 12-31-2009 |
| 20100028108 | TRANSPORTABLE CARRIER COMPATABLE WITH A RETRACTABLE PIN TOOL - A device for providing support to an LCD and its corresponding components during various manufacturing steps. A first carrier section is positioned on a work surface and is then loaded with an LCD as well as drivers to be bonded to the tabs of the LCD. Once the desired work has been performed a second carrier section is mated with the first carrier section and a closing means is utilized to position the two carrier sections in a closed position. Once the two carrier sections have been placed in a closed position about the LCD and other components, the entire piece may be safely removed from its position on the work surface for further processing, storage, etc. Exemplary embodiments also relate to a method of providing support to an LCD and its corresponding components during various manufacturing steps. | 02-04-2010 |
| 20100043966 | PHOTOINITIATED OPTICAL ADHESIVE AND METHOD FOR USING SAME - A method for bonding glass components using an encapsulated photo-initiated optical adhesive, and the resulting glass assemblies produced by the same. A mixture containing a catalyst and a resin is provided where at least one of either the catalyst or the resin is encapsulated. The mixture is applied to a glass component. The encapsulated catalyst may then be exposed to ultraviolet light causing the capsules to release the portions contained therein and combine to form an adhesive. A second glass component is then placed on the adhesive so that the adhesive is interposed between the glass components and the adhesive is permitted to cure. Alternatively, the mixture may be exposed to UV light after the second glass component is placed. An exemplary method uses a frame with the first glass component to create a uniform thickness of adhesive and provide a low level of optical defects. Barrier coats and skirting tape may also be used. | 02-25-2010 |
| 20100092005 | Multidirectional Multisound Information System - Exemplary embodiments provide an information system adapted to focus a plurality of audio messages to a plurality of different locations. As a consumer passes a display, their attention is attracted based on the series of messages. Further, a consumer can obtain more and different information as they change their position. Exemplary embodiments may also display a different image to the consumer depending on the position of the consumer relative to the display. Further embodiments may utilize touch-screen technology to allow a user to select an icon from the screen and obtain further information either through additional messages, video, or both. | 04-15-2010 |
| 20100104003 | SYSTEM AND METHOD FOR SECURELY TRANSMITTING VIDEO DATA - Exemplary embodiments provide a system and method for securely transmitting video data to an electronic display. The video data may be transmitted using a wired or wireless application. Raw video data is encoded as a plurality of JPEG frames. A plurality of packets are created which may contain one frame or a portion of a frame of video. Each packet contains a unique header with information about the packet and a unique security key. After transmission each packet may be analyzed to determine if it was the intended transmission. The packets are re-assembled and displayed if they are the intended transmission. A default image or video is displayed if the received transmission is not the intended transmission. If a single packet is missing or is unintended, the previous packet may be repeated. Additional standard wireless encryption may also be used if utilizing a wireless application. | 04-29-2010 |
| 20100109974 | SYSTEM FOR SUPPLYING VARYING CONTENT TO MULTIPLE DISPLAYS USING A SINGLE PLAYER - A system for displaying content on multiple electronic displays utilizing a single video player and transmitter. Some displays may show dynamic video and the remaining displays may show static images. Alternatively, every display may be showing static images. The player provides frames of video which may be encoded with unique display identifiers which direct the system to display the proper frames on the proper displays. The transmitter may be in wireless or hard-wired electrical communication with the display receivers. If using a hard-wired embodiment, the displays may be daisy-chained together to reduce the length of wire/cable needed. | 05-06-2010 |
| 20100188342 | Method and System for Positioning a Graphical User Interface - Exemplary embodiments provide a method and system for shifting a graphical user interface around a touch screen display so that the menus and icons can be utilized from a plurality of user access positions. A first locating touch from the user may be used to determine the user's access position and the graphical user interface may be located on the display based on this locating touch. Embodiments allow touch screen menus and icons to be automatically positioned around a user without having to move the entire display or forcing the user to reposition themselves. Exemplary embodiments provide large portrait-oriented displays for use in restaurants, and especially in drive through applications and may also contain an electrical connection to a second display located within the restaurant. | 07-29-2010 |
| 20100220258 | COMBINED SERIAL/PARALLEL LIGHT CONFIGURATION AND SINGLE LAYER PCB CONTAINING THE SAME - An LED circuit using a combination of series and parallel arrangements for optimum current sharing between LEDs. The current paths allow an LED to fail while minimizing the effect on other LEDs and noticeable luminance variance across the circuit. Some embodiments use metallic PCB technology which permits optimal thermal regulation of heat generated by the LEDs. Exemplary embodiments can be used with a single-layer PCB where only one layer of conducting material must be placed on the substrate. This results in a thinner, lighter, and cheaper assembly. The rear surface of the PCB may contain heat sinks or fins and may have air (or other gaseous matter) moved across the surface and/or heat sinks to facilitate cooling of the assembly. An LCD assembly using the same is also disclosed. | 09-02-2010 |
| 20100226091 | Shared Isolated Gas Cooling System for Oppositely Facing Electronic Displays - A system and method for cooling back to back electronic displays. Transparent first and second gas chambers are co-existive with the front display surfaces of the first and second electronic displays. A closed loop of isolated gas enters the first and second gas chambers and contacts the front surfaces of the electronic displays, where it may extract heat from the front display surfaces. The isolated gas is then directed into a cooling chamber where it is cooled and re-introduced into the first and second gas chambers. Fans may be used to propel the isolated gas through the cooling chamber and the first and second gas chambers. The circulating gas removes heat directly from the electronic display surfaces. The isolated gas is transparent or at least semi-transparent to ensure that the image quality of the electronic displays is minimally impacted. | 09-09-2010 |
| 20100231563 | Display Characteristic Feedback Loop - A system and method for maintaining similar optical performance over two electronic displays. A color light sensor is placed in front of the viewable area of each electronic display and is used to measure one or more optical properties in order to balance the two (or more) electronic displays. The user may be notified when a display is malfunctioning or the displays are not performing within acceptable ranges. The display may store optical data locally for later retrieval by the user. The user may access the optical data through a network connection with the display. One or more displays may be placed adjacent to one another and their optical properties may be measured and balanced so that the displays match one another or can be used as a harmonious array. | 09-16-2010 |
| 20100232107 | Cooling System for Outdoor Electronic Displays - A cooling system for an electronic display. Transparent cooling chambers are used to extract heat from the front display surface of an electronic display. A refrigerated air source is in gaseous communication with the cooling chamber. Additional fans may be used to cool other components of the electronic display. Multiple displays may be used where each display and the refrigerated air source is housed within the housing. The housing contains air inlet and air exhaust ports. An air curtain device may be used with some embodiments. An open-loop, closed-loop, or both types of designs may be used with the cooling chambers. Temperature sensors may allow the refrigerated air source(s) to be selectively engaged depending on the temperature of the air within the cooling chamber or the temperature of the front display surface. Ambient temperature sensors may also direct the switch between open and closed loops. | 09-16-2010 |
| 20100237697 | SYSTEM AND METHOD FOR CONTROLLING THE OPERATION PARAMETERS OF A DISPLAY IN RESPONSE TO CURRENT DRAW - A system and method for controlling the power consumption of an electronic display. A maximum current value may be selected where above this value the risk to damage to the display or local circuitry may be jeopardized. Ramp-wise and/or gradual controls of the display parameters such as fan speed and backlight levels may reduce the current draw during extreme situations and line voltage fluctuations. Embodiments allow the display to continue operation without risking an overload of the local circuit or damage to the display. Further embodiments may be used to limit the power consumption of a display in order to minimize energy usage. Several parameters can be measured and controlled simultaneously to provide a minimal amount of energy usage while minimizing any noticeable difference in images. | 09-23-2010 |
| 20100238299 | Display Characteristic Feedback Loop - A system and method for remotely monitoring and transmitting optical data for an electronic display to a user. A color light sensor is placed in front of the viewable area of an electronic display and is used to measure various optical properties to determine if the display is functioning properly. The user may be notified when a display is malfunctioning. The display may store optical data locally for later retrieval by the user. The user may access the optical data through a network connection with the display. One or more displays may be placed adjacent to one another and their optical properties may be measured and balanced so that the displays match one another or can be used as a harmonious array. A watermark can be used to confirm that specific video segments were actually displayed by the electronic display. | 09-23-2010 |
| 20100253613 | LED BACKLIGHT AND ELECTRONIC CONTROL - Embodiments comprise a backlight device and a method for controlling the chromaticity and/or luminance of the backlight device. More particularly, embodiments relate to a backlight device for a display which utilizes an array of LED pairs to create a desired chromaticity and luminance of light, whereby the chromaticity and luminance can be closely monitored and maintained throughout the life of the display. A pair of LEDs are used in an exemplary embodiment where the pair contains two blue LEDs with the first LED coated in a red phosphor and the second LED coated in a green phosphor. | 10-07-2010 |
| 20100296245 | System for Using Constricted Convection with Closed Loop Plenum As the Convection Plate - A cooling system and a method for cooling an electronic display. A preferred embodiment utilizes a closed loop cooling system in a constricted convection cooling setup to remove heat from the backlight of a display assembly. Cooling air can be pulled or pushed through a gap between the display (or backlight) and a rear cooling chamber. The resulting warm air can then be exhausted out of the display housing. The cooling air may be air conditioned or may be exposed to a thermoelectric device. A thermostat may be used so that cooling fans are only energized when the temperature reaches a predetermined point. | 11-25-2010 |
| 20100329471 | AMBIENT NOISE COMPENSATION SYSTEM - An ambient noise compensation system having an automatic gain control to adjust the volume of a desired sound in a listening area. A sound pick-up may be placed in the listening area to capture the sound level, including both the desired sound and ambient noise. A measured value is then determined based on the sound level received by the sound pick-up. The measured value may then be compared to a predictive value to determine an acceptable range. The gain control automatically adjusts the volume of the desired sound to maintain the measured sound within the acceptable range. | 12-30-2010 |
| 20110013114 | Heat Exchanger for an Electronic Display - A cooling assembly for an electronic image assembly having an open and closed gaseous loop. A closed gaseous loop allows circulating gas to travel across the front surface of an image assembly and through a heat exchanger. An open loop allows ambient gas to pass through the heat exchanger and extract heat from the circulating gas. An optional additional open loop may be used to cool the back portion of the image assembly (optionally a backlight). Ribs may be placed within the optional additional open loop to facilitate the heat transfer to the ambient gas. The cooling assembly can be used with any type of electronic assembly for producing an image. | 01-20-2011 |
| 20110013367 | ELECTRONIC DISPLAY WITH MOUNT-ACCESSIBLE COMPONENTS - An electronic display assembly where the components can be removed and serviced or replaced without having to remove the display from its position. A backplane may be in electrical communication with the image producing assembly and may contain a plurality of blind mate connectors. Various electronic assemblies may be connected to the blind mate connectors. An access panel may provide access to the electronic assemblies so that they can be removed from the housing. N+1 power supplies may be used so that if one fails the unit would continue to operate until the failed power supply could be replaced. The electronic assemblies may be removed from the left side, right side, top, or bottom surfaces of the display housing. Any flat panel electronic display may be used. | 01-20-2011 |
| 20110096246 | Visual Identifier for Images on an Electronic Display - A system and method for displaying images or video on an electronic display. A unique identifier may be embedded within the frames of images or video and detected by a light sensor. The data from the light sensor is analyzed to determine if the proper image or video was actually shown at the display. Some embodiments analyze the data from the light sensor in real time and may stop displaying the image or video if the data is not in the format of a unique identifier. Using this embodiment, the system can prevent unintended images or video from being shown on the display. | 04-28-2011 |
| 20110102704 | WHITE LED FOR LIQUID CRYSTAL DISPLAY BACKLIGHTS - A light emitting diode (LED), method for optimizing an LED having characteristics which are tailored for a liquid crystal color filter set, and a liquid crystal display (LCD) using the LED are disclosed. The spectral response of the LED is optimized to provide the preferred optical properties when its light is transmitted through the color filter set and liquid crystal stack. Embodiments provide a diode chip which intrinsically emits light with wavelengths primarily within the blue visible spectrum (‘blue chip’). Surrounding the chip would be a first layer of phosphor that emits light with wavelengths primarily within the yellow-green region of the visible spectrum via phosphorescence with the blue light which is emitted from the diode chip (‘yellow-green phosphor’). There would also preferably be a second layer of phosphor that emits light with wavelengths primarily within the red region of the visible spectrum via phosphorescence with the blue light which is emitted from the diode chip (‘red phosphor’). | 05-05-2011 |
| 20110116000 | THERMAL PLATE WITH OPTIONAL COOLING LOOP IN ELECTRONIC DISPLAY - An electronic display having one or more thermal plates in thermal communication with an image assembly and a thermally-conductive housing (and optional door frame). In some embodiments, the thermal plate is in thermal communication with the door frame which is in thermal communication with the housing. A channel may be defined between a transparent plate assembly and the image assembly where a fan may force cooling air through the channel. The cooling air may also pass through apertures in the thermal plate(s). An exemplary image assembly may provide an LED edge-lit LCD or an OLED display. In some embodiments, two displays may be provided in a back-to-back orientation within a single housing. The display may dissipate heat without the need to ingest ambient air. | 05-19-2011 |
| 20110116231 | FIELD SERVICEABLE ELECTRONIC DISPLAY - An electronic display which can be serviced without having to remove the display from its mounted position. A front housing and a rear housing are hingedly attached so that the front housing can rotate and allow access to the interior of the display. An axial force mechanism can be used to aid in rotating the front housing to an open position. A locking collar, support member, or axial locking member may be used to ensure that the front housing remains open. A removable front glass assembly or removable glass panel may be used with an exemplary embodiment. The front glass assembly or glass panel can be easily replaced if it becomes damaged by minimally-trained personnel. Gutters may be used between the front and rear housing as well as the front housing and front glass assembly to ensure an adequate seal against contaminates. | 05-19-2011 |
| 20110163691 | System and Method for Managing Backlight Luminance Variations - An LED assembly containing separately-controllable regions of LEDs with temperature sensing devices placed to measure the temperature within each region of LEDs. When the temperature difference between two regions becomes higher than an acceptable maximum, the system may adjust the power to one or more LED regions to maintain luminance uniformity. The regions can be arranged vertically or horizontally or both. A software processor may be used to interpret the data from the temperature sensing devices and control the power sent to the various LED regions. Embodiments can be used at least in LED backlights for LCD displays or for LED displays. | 07-07-2011 |
