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keyword:Joanne Wu45 result(s)

Press Releases
Photoplethysmography to Pursue Higher Accuracy, Leading to Significant Growth in Demand for Infrared Optical Components, Says TrendForce


Consumer Electronics / LED / Semiconductors

According to LEDinside’s 2018 Infrared Sensing Application Market Report, pulse oximeter heart rate sensors have been widely introduced into smartwatch and wristband markets, pushing the demand for infrared optical components Apple is expected to increase the accuracy of pulse oximeter heart rate sensors in its new-generation Apple Watch, thus may double the amount of green LEDs and infrared LEDs used in the products The amount of photodiode needed for the new products may be four to five times more than in previous models, and the photodiode will also be larger in size Photoplethysmography has many advantages, such as small size, low power consumption, rapid response, etc, thus has also been gradually introduced into applications like fitness trackers, home care equipment and automotive monitoring devices, says Joanne Wu, research manager of LEDinside However, some consumers still question about the reliability of devices, so the manufacturers are committed to improving the accuracy of sensors in order to gain consumer confidence Photoplethysmography require high linearity, high sensitivity and good signal-to-noise ratio The products incorporate emitter and receiver The emitter needs to match the requirements of algorithm programs, so the wavelength of the LED products varies from brand to brand The common design uses green LED paired with infrared LED to detect the amount of blood flowing through your wrist at any given moment, and to count the heartbeats If pairing red LED with infrared LED, the sensor can detect the amount of deoxygenated hemoglobin (Hb) and oxygenated hemoglobin (HbO2) during any given time to calculate the oxygen saturation levels The main suppliers of infrared LED include OSRAM OS and Epistar On the other hand, receivers mostly use photodiodes, especially large-area photodiode with low dark current, which has short response time and can receive LED energy completely The next generation of Apple Watch is also expected to use larger-sized photodiodes, and the number of photodiodes used may be four to five times more than previous models The current major supplier of photodiodes is Opto Tech

Press Releases
The Value of Infrared Laser Projector Market for Mobile 3D Sensing Will Reach US$1.953 Billion in 2020, Says TrendForce


Telecommunications / LED

According to 2018 Infrared Sensing Application Market Report by LEDinside, a division of TrendForce, many smartphone companies have been developing 3D sensing embedded devices since Apple launched iPhone X featuring 3D sensor LEDinside anticipates that the value of global infrared laser projector market for mobile 3D sensing is estimated to reach US$246 million in 2017, and is forecast to grow to around US$1953 billion in 2020 Infrared laser projector has three major components, including infrared laser (Vertical Cavity Surface Emitting Laser or Edge-Emitting Laser), WLO (Wafer Level Optics), and DOE (Diffractive Optical Elements), explains Joanne Wu, research manager of LEDinside Current costs of infrared laser projector are around US$35 to 6, but is estimated to decrease in the future as the technology advances and supply chain strategy improves, boosting the market demand as the result Current solutions for mobile 3D sensing include structured light and time of flight (ToF) The iPhone X uses structured light and its dot projector produces more than 30,000 dots of infrared (IR) light on the face Then the infrared camera receives the light reflected back from the face to create a 3D facial landscape In addition to 3D face sensing, branded smartphone manufacturers also actively integrate 3D sensing with augmented reality (AR) Therefore, LEDinside forecasts that 3D sensor may be incorporated either in front camera or in rear-camera Manufacturers are expected to use ToF for rear-camera as ToF can scan a larger area with better performance in computing and data processing Moreover, ToF corresponds to the patent strategies of 3D sensing technology providers LEDinside has researched on the supply chain of 3D sensing, and points out that algorithm, emission pattern and patent will be the three key elements for 3D sensing development in the future VCSEL/EEL wafer and chip foundries (eg IQE, VPEC, Win Semi, II-VI, Epistar, HLJ, AWSC) have increased their production capacity Major VCSEL/EEL packaging companies include Lumentum, Finisar, Princeton Optronics, NeoPhotonics, Philips Photonics, OSRAM OS As for different algorithms, PrimeSense, Mantis Vision, Qualcomm/Himax, Intel, etc now focus on structured light technology, and STMicroelectronics, Google/Infineon/pmd, MicroVision, Orbbec, etc use ToF technology Apart from Apple, Samsung and ASUS, Chinese smartphone brands like Xiaomi, Lenovo, Huawei and OPPO, etc all plan to release new phones with 3D sensing, Smartphone brands are now deploying in the market and seeking for cooperation within the supply chain But obstacles still remain for future development of 3D sensing market, including obtaining patents, developing third-party application, and increasing the performance-price ratio

Press Releases
TrendForce Says Global UV LED Market to Expand at a CAGR of 34% From 2015 to 2020 as Applications for Related Solutions Emerge


Energy / LED

Taiwan’s major annual optoelectronics industry exhibition, Photonics Festival 2017, will be held in Nangang Exhibition Hall of Taipei World Trade Center from June 14 to 16 Some of the highlights in the LED section of this exhibition includes products for the automotive industry and applications related to ultraviolet (UV) LEDs LEDinside, a division of TrendForce, projects that the scale of the global UV LED market will increase from US$288 million in 2017 to US$526 million in 2020 Furthermore, the CAGR of the UV LED market in the 2015~2020 period is currently estimated at 34% These and other data can be found in LEDinside’s 2017 UV LED vs UV LED Module Market Report Uses of invisible LEDs have expanded in scope, creating new opportunities for the whole LED industry At the same time, an increasing number of UV LED products have become available for curing, printing, exposure and other major applications Demand for UV LEDs are expected to keep climbing as most countries worldwide have endorsed energy saving policies and ratified the Minamata Convention on Mercury “The largest source of revenue for UV LED suppliers in 2016 was the sales of UV-A LEDs,” noted Joanne Wu, research manager of LEDinside “Because UV-A LEDs are mainly used for curing, some UV LED suppliers have entered the curing module market to further increase their profitability in this business” LED companies from South Korea and Japan were the dominant UV LED package suppliers by revenue in 2016 In the ranking, the top five suppliers in order were Nichia, Nitride Semiconductors, Seoul Viosys, LG Innotek and USHIO/Epitex This year, South Korean LED companies are going to launch new series of UV-C LED products UV-C LEDs, which have been technologically challenging to manufacture, will contribute greatly to South Korean suppliers’ revenues Thus, there could be changes to this year’s revenue ranking Taiwanese LED companies are also eager to move away from the highly competitive blue LED market and into the UV LED market that has higher growth potential Lextar, for instance, has released UV LEDs for curing and printing applications The company is expected to accelerate product development and grow its client base this year Likewise, LED chip maker High Power Lighting (HPL) and package supplier Epileds have formed a joint venture company Bioraytron that sells branded UV-C LED products Bioraytron will also roll out new UV-C LED products in the second half of this year, and HPL anticipates that 30% of its annual revenue for 2017 will come from UV LEDs Looking at demand by applications, the largest segment of demand for UV-A LEDs comes from curing Other major applications include printing and exposure UV printing systems need LED modules that can produce a high level of irradiance, while UV exposure machines require LED modules that can achieve a high level collimated light In addition, UV LEDs are also being deployed in some special curing applications that have recently emerged in the market As for UV-LEDs, recent technological advances in their manufacturing have allowed them to be deployed in more applications LEDinside expects LED companies will roll out new UV-C products this year Solutions for consumer appliances, air conditioners, air purifiers and still water purifiers will be first to arrive on the market and take off UV-C LED products for flowing water purification are expected to enter the market later at a more opportune time

Press Releases
TrendForce Projects Huge Market Growth for Optical Sensors Used in Iris/Facial Recognition with 2017~2025 CAGR at 24%



The respective additions of 3D Sensing and iris recognition into the next-generation iPhone devices and Samsung Galaxy S8 will generate a new wave of demand for IR (infrared) LEDs used in optical sensors LEDinside, a division of TrendForce, has recently published its 2017 IR LED/IR Laser and Optical Sensor Market Report In the report, LEDinside states that that the global market scale of IR LED and IR laser components used in iris and facial recognition solutions will grow from US$145 million in 2017 to US$827 million in 2025 The CAGR in the forecast period is estimated at 24% “The incorporation of features such as iris recognition and 3D Sensing in smartphones provides a lucrative opportunity for suppliers of IR LED, IR laser and optical sensors,” said Joanne Wu, assistant research manager of LEDinside Currently, the smartphone and the automotive markets are the two major application markets for IR LED, which has also appeared in a wide range of solutions related to areas such as security surveillance, iris/facial recognition, photoplethymography, time of flight 3D scanning, structured light 3D scanning and advanced driver assistance systems (ADAS) As handheld devices like smartphones turn into instruments for transaction payments and identity verification, the issue of user security is increasingly becoming important Likewise, the technology standards behind the biometric recognition features on these devices are getting more stringent as well Wu added: “Iris recognition has the advantage of offering a higher level of security Each iris pattern has around 2,000 data points, whereas a fingerprint has around 100 Therefore, the former can provide a much more accurate user verification outcome than the latter” The iris recognition scanner in Samsung Galaxy S8, for example, uses a near-infrared (NIR) LED camera, a CCD image sensor and a biometric solution The IR LEDs used in the camera are in the wavelength range of 700~900nm To use the iris scanner, simply look at the smartphone screen and let the NIR LED camera take a picture of the iris that has been previously recorded into the biometric database Presently, companies that supply IR LEDs for the iris recognition application include OSRAM Opto, Epistar, Epileds, High Power Lighting, Brightek Optoelectronics, Lite-On Technology, Vishay and Epitex At the same time, IR laser is gaining market traction and may start to supplant IR LED in some applications, particularly within the area of handheld devices IR laser is more accurate in many tasks such as proximity sensing, auto focus, hand gesture recognition and noise cancelling Furthermore, the laser beam can pass through openings of small diameters due to its spatial coherence and focus This advantage gives IR laser an opportunity to replace IR LED in certain market applications “IR laser has become a critical part of many advances in 3D imaging,” said Wu “3D sensing cameras now use solutions based on time-of-flight 3D scanning and structured light projection These solutions provide more accurate depth measurement and 3D mapping than methods derived from the traditional 2D imaging technologies” Major suppliers of IR laser components include LUMENTUM, FINISAR, HLJ Technology and OSRAM Opto Furthermore, these IR laser components are integrated with sensor modules from IC companies such as AMS-TAOS and STMicroelectronics to become innovative features for handheld devices OSRAM Opto currently is in the process of expanding its production capacity for IR laser components for automotive and smartphone applications Major technology brand Apple is actively acquiring companies and patents related to structured light Hence, depth measurement and 3D imaging technologies such as structured light and time of flight will find more applications in the near future

Press Releases
Value of Global UV-C LED Market Will Grow at CAGR of 56% in 2016~2021 to Reach US$257 Million, Says TrendForce



The value of the global market for UV-C LEDs used in sterilization and purification equipment will grow at a CAGR of 56% from US$28 million in 2016 to US$257 million in 2021, according to the 2016~2021 UV LED and IR LED Application Market Report by LEDinside, a division of TrendForce The UV-C LED technology is expected to advance rapidly as an increasing number of major LED suppliers are scheduled to launch related products towards the end of 2016 “Currently, main UV-C LED suppliers are located in the US, Japan and South Korea,” said Joanne Wu, assistant research manager of LEDinside “The market can expect new UV-C LED products from Japan’s Nichia in the fourth quarter Taiwan-based suppliers such as Epileds and High Power Lighting will also launch UV-C LEDs with wavelengths ranging from 265nm to 275nm These short-wavelength UV-C products are primarily for sterilization and purification applications” Wu pointed out that UV-C light can be used in the preservation of fresh food and the purification of air and water “However, there are high technological barriers when it comes to the manufacturing of UV-C LED products,” said Wu “Difficult challenges exist in epi-wafer production, chip making and packaging The market acceptance of UV-C LEDs is also an issue Though mainstream UV-C LEDs are generally quartz packages, products based on low-cost silicone packages are also arriving on the market Promoted by suppliers, these silicone packages are mainly used for inexpensive consumer products because they have low current and short life time” In general, the UV LED technology has rapidly expanded into various application this year, with major markets being curing, sterilization and purification products According to Wu, the total market value of the entire UV LED market worldwide is estimated to increase from US$166 million in 2016 to US$555 million in 2021, with the CAGR during the forecast period reaching a high of 27%

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