Optics and Photonics » Display Upconverters

Found 12 technologies within Display Upconverters RSS ATOM

Optical Display System Offers Enhanced Resolution for Heads-Up Displays

33689 – Innovative technology can double the resolution of virtual reality wearable displays UCF researchers have invented a novel display apparatus that resolves the low image resolution issues associated with augmented reality and virtual reality (AR/VR) heads-up systems. AR/VR display technology includes immersive video games and interactive 3D graphics. The new invention effectively doubles... Read More

Illustration of the hole/disk array coupled with the ground plane.

Tunable, Uncooled Infrared Detector with Narrow-Band Wavelength Selectivity

33377 – Low-cost, mid-infrared (IR) wavelength detector offers high responsivity without cryogenic cooling UCF researchers have invented a nanoscale IR detector that overcomes major limitations of today’s cooled and uncooled IR detectors. The Optical Frequency-Selective Absorber-Based Infrared Detector operates uncooled and can be tuned to a specific narrow bandwidth within the IR spectrum. The new... Read More

Schematic diagram of an optical parallel signal processor configured for identifYing a multiplicity of target objects within a real time signal

Signal Processing using Spectrally Phase-Encoded Optical Frequency Combs for High Speed Computing and Pattern Recognition

31090 – Methods, apparatus and systems for a high speed signal processing system As the amount of digital information and communication increases, timely and accurate data collection for software based evaluation and correlation becomes increasingly more difficult. The increase in difficulty arises from three main issues: the sheer volume of the data being generated, the nature of the desired... Read More

Output of a diode laser coupled to a waveguide

Use of Infrared Light Source to Generate White Light

30023 – The generation of white light by exposure of rare-earth materials to near-infrared sources, diode lasers or LEDs, and the various proposed embodiments as applied to a variety of white light applications. Efficient generation of white light is the focus of many optical research endeavors since traditional sources (light bulbs) simply convert electrical energy into light by heating a... Read More

Schematic diagram of an actively mode-locked laser with laser frequency stabilization through PoundDrever- Hall

Optical Frequency Self Stabilization in a Coupled Optoelectronic Oscillator (COEO)

31092 – Methods, systems and devices to provide optical frequency self-stabilization in a coupled optoelectronic oscillator (COEO). Low noise, high repetition rate mode-locked lasers have a number of potential applications in signal processing and coherent communications. For applications such as the generation of arbitrary Radio Frequency (RF) waveforms and photonic sampling, pulse-to-pulse... Read More

Showing the differences between the color garnet of up-converters according to the present invention (dashed line), NTSB standards (solid line) and organic light emitting diodes (dot-dash line)

More Color and Brightness for Compact Displays

31001 – Improve compact display performance with dense pixilation Developed by UCF researchers, a new composite cavity enhances the absorption of pump light and improves emission of visible light for more efficient up-conversion in display technology. This invention surpasses typical devices with its lower power requirements and smaller size factor, while producing richer color and high... Read More

Example of a configuration of components in the full color display using red, green and blue up converter-semiconductor light source displays

Low Voltage Up-converting IR-LEDs for Battery Powered Displays

31290 – This invention represents the design of a micro-scale, up-converting, solid state lighting device intended for low voltage operation at red, green, and blue operation for use in portable visual indicator systems and displays. Visual indicator displays have become ubiquitous in today’s society, from personal cell phones to military grade head mounted displays. As such, research into... Read More

Block diagram showing the optical arrangement of components in the full color display using red, green and blue up converter-semiconductor light source displays

Display Design Suitable for Projection Displays with an Increased Color Gamut

31299 – Methods and systems for a large color gamut display suitable for projection displays based on up converters and GaAs based semiconductor light sources. This novel system is suitable for projection displays and can be used with up converter semiconductor light source array emissive screens. Moreover, it can also be used with Liquid Crystal Displays (LCDs) or other spatial light modulators... Read More

Schematic showing the excitation scheme of the up-converter resonant cavity light emitting diode red, green and blue pixel

Resonant Cavity Enhances Efficiency of IR to Visible Light Conversion

31036 – Solid state lighting, the use of electron to photon conversions in semiconductors, has proven itself an extremely efficient and robust avenue for the realization of many miniature display needs. Unfortunately, due to the nature of semiconductors, only the generation of individual colors is possible. One must, therefore, design with several different materials for each color desired. Also, for... Read More

Integrated light emitting semiconductor device according to an embodiment of the invention comprising a light emitting source optically coupled to a resonant cavity formed in the substrate spaced laterally from the light emitting device, wherein the resonant cavity includes upconversion material therein

High Resolution Full Color Integrated Semiconductor Display

30936 – It is known that by illuminating rare-earth materials, with invisible infrared light, reradiated light at specific visible wavelengths (or colors) is possible. This process, known as frequency up-conversion, has been applied to many technologies and now researchers at UCF have taken this interesting physical result and applied it to high resolution display. Using semiconductor device... Read More

Block diagram of an environment in which one embodiment of an optical modulator with linear response is located

Linear Optical Modulator: Potentially Infinite SFDR & Multi-GHz Bandwidth

32389 – Current linear modulators offer limited bandwidth and spurious-free dynamic range (SFDR) as electro-optic modulators and power handling as directly modulated lasers—also incurring high insertion loss and high Vpi. Recently developed at UCF, a new linear modulator with potentially infinite SFDR and multi-gigahertz bandwidth offers possible negative insertion loss and very low Vpi, in the range... Read More

Comparison of phase noise of the OEO with RF filter and with etalon (Normalized power)

Achieve Higher RF Frequency Stability with Lower Phase Noise

32843 – Improve radar, communications, and signal intelligence with interferometer-based optoelectronic oscillator Optoelectronic oscillators (OEOs) provide a continuous, high quality factor (Q) modulated signal in order to obtain high spectral purity. OEOs are used for a variety of purposes, including a carrier wave for communications, and radar emissions. Most OEOs use an RF filter as the mode... Read More