This study addresses the design of an integrated light guide plate (LGP) to produce a uniform illumination with enhanced axial luminous intensity without use of prism sheets
This study addresses the optical design of LED edge-lit light guide plate (LGP) for front light unit panel of high illuminating contrast. Front light displays have excellent readability in outdoor environment with bright ambient light. A LED light guide is still required as an auxiliary lighting, referred to as a front light unit (FLU), in a dim
The efficiency balance phenomenon for see-through head-mounted displays with different microstructure conditions can be found both theoretically and using optical simulation
There are many applications which use capacitors as energy sources. They are used in audio equipment, uninterruptible power supplies, camera flashes, pulsed loads such as magnetic coils and lasers and so on. Recently, there have been breakthroughs with ultracapacitors, also called double-layer capacitors or supercapacitors, which have
Computed radiography (CR) uses storage phosphor imaging plates for digital imaging. Absorbed X-ray energy is stored in crystal defects. In read-out the energy is set free as blue photons upon
Backlight Module, the light source of TFT-LCD, is constructed by optical films, light guide plate, LED light bar, back-cover and plastic case. Because the liquid crystal molecule only function as the penetration level that doesn''t illuminate spontaneously, it is necessary to add a backlight module to distribute the light that make us to see the beautiful scene on the
Light emitting diode (LED) have the advantages of energy saving, no environmental pollution, long lifetime and low cost, which is widely adopted in lighting and illumination [28]. As can be seen from Fig. 1, LED is located on
Light Guide Techniques Using LED Lamps. Agilent''s Application Brief I-003. optimal dimension of edge-lit light guide plate based on light conduction analysis (Optics Express, Vol 29, Issue 12. 2021)
An LED light panel is a flat panel that uses light-emitting diodes (LEDs) to produce bright and energy-efficient light. LED light panels are commonly used in a variety of settings, such as homes, offices, and commercial spaces. LED light panels consist of a grid of small LEDs that are mounted on a flat surface, such as a sheet of plastic or glass.
One way to do this is through photostimulable phosphor (PSP) systems. These systems can be either cassette-based or cassette-less in design. This chapter introduces the process of acquiring an image
In this paper, we propose an integrated micro-optical light guide plate (MOLGP), of which the top surface is designed as aspheric semi-cylindrical micro-concentrator structure
There are three design issues to be. examined when designing a light. guide: 1) effective flux coupling to get the light. from an LED lamp into the light guide. with minimal loss, 2) transmitting the light through the. guide to the exit surface, and. 3) allowing the light to escape through.
Light guide plate (LGP) technology has come a long way since its inception in the early 20th century. Originally developed for use in the aviation industry, LGPs have since become a crucial component in many modern technologies, including home appliances, lighting, and display devices. 1907-1912: The Invention of Total Internal Reflection.
The current market for grid-scale battery storage in the United States and globally is dominated by lithium-ion chemistries (Figure 1). Due to tech-nological innovations and improved manufacturing capacity, lithium-ion chemistries have experienced a steep price decline of over 70% from 2010-2016, and prices are projected to decline further
Simultaneously, the plate moves slowly in the "slow-scan direction". In this way, the pixels of the storage phosphor plate are stimulated one by one. The local storage phosphor emission is proportional to the local X-ray absorption in the plate. A light guide
Published May 31, 2024. Forecasts indicate that the "Energy Storage Battery Liquid Cold Plate Market" will escalate to USD xx.x Billion by 2031, achieving a remarkable compound annual growth rate
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The liquid crystal display (LCD) needs the back light module (BLM) for the light source. The light guide plate (LGP) is the main component of BLM to spread light source to the whole LCD surface and requires for the generation trend of lightweight, easy to carry, and bendable for LCD. In this article, we have demonstrated the fabrication of
Highlights. The innovative fiber-conducted laser light guide plate system is proposed for the first time. Achieved the conversion of single-point light source input into area light output. Through simulation and optimization by LightTools software, the system achieves an impressive illumination uniformity.
Zhang, Y., Tang, J., Chen, J. et al. Accelerating the solar-thermal energy storage via inner-light supplying with optical waveguide Guide to authors Editorial policies Nature Communications
Light-guide plates (LGPs) with aperiodic or size-varied microstructures are widely used in edge-lit light-source backlight systems for their high uniformity. In this Letter we designed a LGP with periodic and single-sized microstructures and analyzed the relationship between the holistic arrangement density of the microstructures and the uniformity. By controlling
Ultrahigh energy storage performance in gradient textured composites of plate-like Na0.5Bi4.5Ti4O15/PVDF through interface engineering Author links open overlay panel Zhuo Wang a, Menglei Kong a, Xiaoying Wang a,
Answer: We create custom light guide panels (also known as a light guide plate) inside our signs and displays to evenly distribute brilliant LED light. 1. Laser Dotting. We use one of our multiple in-house lasers to etch dots into a Recrylic panel. The placement and spacing of the dots can be adjusted to achieve the desired brightness or
They offer extremely lower power consumption compared to traditional backlit LCDs. Front light guides are very thin, clear plastic sheets that distribute the light from an edge LED array to the whole viewing area.
Abstract. An optical liquid-level sensor based on a designed light guide plate (LGP) is proposed and experimentally demonstrated. Light transmits between the two surfaces of the LGP as in an optical waveguide. The front surface of the LGP is planar and contacts the liquid, and the back surface is designed with microstructures to uniform the
The innovative fiber-conducted laser light guide plate system is proposed for the first time. • Achieved the conversion of single-point light source input into area light output. •
Dimensions of the edge-lit light guide plate (LGP) have a non-negligible impact on its output performance based on a pre-determined micro-dot array. However, how the LGP''s dimension affects the performance has not been systematically researched.
In 2019, a tilted lightcoupling structure (TLCS) for a panel light with a light coupling design that can achieve light guide plate thinner than the luminescence regional width of a LED source [23].
An approach for dot pattern designing on the light guide plate of backlight module is proposed in this paper. The proposed approach employs molecular potential energy model to generate random-dot patterns for light guide designed for backlight systems. The methods of developing dot patterns are various. We chose AutoCAD-VBA
Published Jun 11, 2024. The "LGP (Light Guide Plate) Consumption Market" is anticipated to grow significantly, reaching USD xx.x Billion by 2031, with a compound annual growth rate (CAGR) of xx.x
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We designed an asymmetric intensity distribution of mini-LEDs (Light Emitting Diode) and a light guide plate with a fully printed
PMMA will never discolor or yellow. Light guide plates made with PMMA have a high heat tolerance and resists UV light, meaning they never yellow. Plates made with polystyrene yellow very quickly – and unattractively. EarthTronics guarantees their lens against yellowing for the life of the product.
As consumers pursue higher display quality, Mini-LED backlight technology has become the focus of research in the current display field. With its size advantage (100–200 μm), it can achieve one-thousand-level divisional dimming, and it can also be combined with quantum dot technology to greatly improve the contrast, color
(a) Light guide plate without microstructure; (b) Light guide plate with microstructure for primary design; (c) Light guide plate with microstructure for optimal design. The uniformity of the output light is the ratio of the minimum illuminance (I min ) to the maximum illuminance (I max ) at the measured points on the observation plane, and
At its core, a light guide is a transparent material that allows the light from a light source to enter and travel through the material. Its primary function is to efficiently transmit and distribute light from a source to a desired location or surface. Light guides are designed to guide and control the propagation of light, ensuring it reaches
Light guide plates (LGPs) are a major component of liquid crystal displays (LCDs). An LGP uniformly transfers light from a cold cathode fluorescent lamp (CCFL) to
In July 2021 China announced plans to install over 30 GW of energy storage by 2025 (excluding pumped-storage hydropower), a more than three-fold increase on its installed capacity as of 2022. The United States'' Inflation Reduction Act, passed in August 2022, includes an investment tax credit for sta nd-alone storage, which is expected to boost the
Abstract. The integrated light guide plate (ILGP) is expected to integrate the functions of multiple optical films in the backlight module (BLM), so that the BLM has excellent properties such as thinness and high light energy utilization efficiency. Aiming at the difficulties in fabrication of the ILGP sample with high uniformity, such as small
The LED panel light guide plate is made of optical-grade acrylic/PC sheet, and then uses high-tech materials with extremely high reflectivity and no light absorption to print light-guiding points on the bottom surface of the optical-grade acrylic sheet with UV screen printing technology.
Published May 28, 2024. + Follow. Forecasts show that the "Light Guide Plate (LGP) Market" will reach USD xx.x Billion by 2031, supported by a strong compound annual growth rate (CAGR) of xx.x
정의. Light Guide는 광원 (일반적으로 LED)에서 필요한 곳으로 빛을 보내는데 사용되는 장치입니다. Light Guide는 종종 Light Pipe라고도 불립니다. Light Guide는 일반적으로 약 1.5의 굴절률을 갖는 유리 또는 플라스틱으로 만들어집니다. 올바른 각도
Light guide plate (LGP) with quantum dots (QDs) microstructure is commonly prepared by screen printing, but the morphology of microstructure cannot be precisely controlled. Inkjet printing is an emerging technology that allows accurate positioning and controlled print droplet morphology, which can effectively solve this problem.