摘要:
A projector assembly includes a multi-pixel frame projector that sequentially projects each pixel making up a frame to a viewing surface, a movement detector coupled to the projector to detect a physical movement of the projector, and a movement compensator coupled to the projector, the movement compensator operable to transmit a correction signal to the projector, the correction signal capable of causing the projector to compensate for the detected movement.
摘要:
A projector assembly includes a multi-pixel frame projector that sequentially projects each pixel making up a frame to a viewing surface, a movement detector coupled to the projector to detect a physical movement of the projector, and a movement compensator coupled to the projector, the movement compensator operable to transmit a correction signal to the projector, the correction signal capable of causing the projector to compensate for the detected movement.
摘要:
A laser image projector display system (200) includes laser operating electronics (208, 210, 212, 400, 500, 700) that selectively operates a laser diode at a bias that is low enough to save energy based on analysis pixel brightness values. The laser bias may be high enough that laser can be transitioned to a lasing state in time to display a pixel, or the system can “look ahead” into a stream of pixels and adjust the bias in advance.
摘要:
Disclosed are a system and method for microprojection that uses multiple imagers to produce a high resolution output image. Each of a set of imagers produces a portion of the final image. Relay lenses then tile the individual image portions together into a combined image. Because the height of the individual imagers is smaller than the height of a monolithic imager, they can fit into a very thin device. The combined image has a resolution equal to the sum of the resolutions of the individual imagers. The individual images are tiled together within the microprojector itself rather than on a projection screen. This allows the tiling to be adjusted once at the factory and set forever. In some embodiments, the light created for use by the microprojector is split by a polarizing beamsplitter. Each resultant polarized beam is then sent to an imager. Another polarizing beamsplitter combines the individual images.
摘要:
Disclosed are a system and method for microprojection that uses a “reduced-height” imager to sequentially display a series of partial images within one frame time. The partial images visually combine on a projection surface (e.g., a screen or a wall) into one high-resolution projected image. As a result, the microprojector projects an image with a resolution equal to the sum of the resolutions of the individual partial images while avoiding the use of very small imager optics with their lowered efficiency. For example, one embodiment projects exactly two partial images during each frame. During a first state of operation, a “half-height” imager displays the odd-numbered lines of the projected image. During a second state of operation, the imager displays the even-numbered lines of the projected image. By quickly cycling through these two states, no image flickering between phases is visible, and the combined image appears as a seamless whole.
摘要:
The invention provides a method for attaching a flip chip to an electrical substrate such as a printed wiring board. A bumped flip chip is provided, the flip chip including an active surface and a plurality of connective bumps extending from the active surface, each connective bump including a side region. A thin layer of an underfill material is applied to the active surface of the flip chip and to a portion of the side regions of the connective bumps. The flip chip is positioned on the electrical substrate, the electrical substrate including a thick layer of a solder mask disposed on the electrical substrate. The flip chip is heated to electrically connect the flip chip to the electrical substrate, wherein the underfill material and the solder mask combine to form a stress-relief layer when the flip chip is electrically connected to the electrical substrate.
摘要:
A method for delineating a metallization pattern in a layer of sputtered aluminum or sputtered copper using a broad spectrum high intensity light source. The metal is deposited on a polymeric substrate by sputtering, so that it has a porous nanostructure. An opaque mask that is a positive representation of the desired metallization pattern is then situated over the metallization layer, exposing those portions of the metallization layer intended to be removed. The masked metallization layer is then exposed to a rapid burst of high intensity visible light from an arc source sufficient to cause complete removal of the exposed portions of the metallization layer, exposing the underlying substrate and creating the delineated pattern.
摘要:
A low profile projector (102) for handheld devices (100) comprise a spatial light modulator (400) that has an aspect ratio that is increased relative to a standard video format and relative to an image projected by the low profile projector. The reduced height of the spatial light modulator (400) allows it fit within a thin handheld electronic device (100). An anamorphic lens (604,700) reduces the aspect ratio of the projected image relative to the aspect ratio of the spatial light modulator (400).
摘要:
A laser projector display module for a handheld device may include an electronics module, a miniaturized light source module electrically connected with the electronics module, a scanner module electrically connected with the electronics module, and an optical assembly configured to direct light from the light source onto the scanner module. The scanner module and the light source module may abut the electronics module.
摘要:
A handheld electronic device (100), e.g., cellular telephone handset, is provided with a color laser projector system (300) that includes an optics module (112) includes a large green laser module (316) and smaller red (314) and blue (318) laser modules in a compact arrangement in which the red (314) and blue (318) laser module are arrange within a dimensional extent D1 of the green laser module (316) in a direction that is perpendicular to a direction in which a green laser beam (426) is emitted. The optics module (112) uses a single photo-detector 328 to sense the intensity of laser beams emitted by the three laser modules (314, 316, 318). A prism can be used to direct light to a bare chip (804) photo-detector (328). Alternatively, a right angle mounted surface mount photo-detector (328) can be used.