The "2022 Experts Talk Mini LED Backlight Mass Production and Application Trend Conference" kicked off in Shenzhen Bao'an Exhibition Bay on July 28,. This conference gathered industry giants in terminals, chips, packaging, driver ICs, equipment materials, etc., from the interlocking development of scenarios and technology penetration, to unveil the latest progress in the mini LED backlight supply chain.
Shinone Innovation, which has accumulated a lot of experience, participated in this conference with a new look, and as a participating unit, jointly launched the "2022 Mini LED Backlight Research White Paper" with other 30 companies. Dr. Liu Guoxu, CTO of ShineOn Innovation, was invited to host the afternoon session of this forum, and as a guest hosted the dialogue session of "Face-to-Face with Big Celebrities: Discussion on the Development Trend of Mini LED Consumer Electronics Application". Dr. Liu said that despite the impact of the epidemic, geopolitical conflicts and the general economic environment, the display industry is in a low period, and ShineOn Innovation is still full of expectations for the "five future" track of advanced display. As a strong competitive technology for OLED, Mini LED backlight will greatly extend the life cycle of LCD liquid crystal display and promote 8K display strategy. At the same time, mini LED will also lay the necessary foundation for future displays such as Micro LED. The maturity of its supply chain, the improvement of process yield, and the upgrade and iteration of manufacturing equipment will have a profound impact on the display industry.
Since 2017, ShineOn Innovation has started the research on Mini LED technology, and successively solved technical problems such as overall structure design, optical simulation, circuit and driving scheme, process development, etc., and realized the complete solution from small and medium size to large size, POB to CSP to COB Program coverage, this time also shared more views in combination with changes in market development.
Founded by a number of national-level overseas experts, ShineOn Innovation is a hard technology company focusing on optoelectronic devices, third-generation semiconductors, new displays and other fields, and always takes innovation as the core driving force. In the wave of LED, it took the lead in leading the localization of LCD TV backlight source and high-power lighting COB, and created a number of core technologies for optoelectronic device packaging, modules and systems. Developed and launched the first domestic QD quantum dot TV backlight, narrow peak width phosphor wide color gamut backlight, CSP white light backlight, low blue light health screen and achieved mass production, creating a number of first records in China.
Focusing on Mini-LED backlight technology, ShineOn Innovation has innovatively designed and launched a number of Mini-LED backlight benchmark cases. Dr. Liu Guoxu, CTO, introduced, "ShineOn Innovation has been working on Mini-LED backlight technology since 2017, and has successively solved technical problems such as overall structural design, optical simulation, circuit and drive solutions, process development, etc. Dimensions, POB to CSP to COB complete solution coverage:
- Initiated joint development with major international and domestic manufacturers. In 2018, a 31.5-inch COB Mini-LED low-cost backlight solution for MNT was developed for the first time for a major Korean manufacturer, with 384 partitions and a peak brightness of 1000nits;
- Take the lead in completing multi-size and full-series solution design with major domestic TV/MNT customers. Taking the 65-inch TV Mini-LED backlight solution as an example, it can cover 288 to 1024 partitions, the peak brightness is up to 1500nits, the color gamut is up to NTSC110%, and the OD 0-15mm is extremely thin;
- Strongly launched the overall solution of the Mini-LED MNT system based on AM drive, which has strong competitiveness in terms of image quality taste, parameter performance, cost, etc., and has technical advantages in brightness and color uniformity.
The technical difficulties of Mini-LED mainly come from the verification of actual projects and process practice. In actual project practice, there are not only explicit problems such as yield and reliability, but also systemic problems such as optics, electricity, and heat, which involve chips, substrates, lenses, packaging, driver ICs, and processes. A huge and complex systematic problem, ShineOn Innovation has established a comprehensive technical reserve based on years of accumulated project experience. For high-end and mass market positioning, two product routes based on POB and COB have been developed:
1. POB product advantages:
· Ultra wide angle: PKG maximum beam angle 180°
· High voltage lamp bead solution: 6-24V, reducing driving cost
· Rich series: 6 product forms, which can cover MNT/TV/vehicle needs in an all-round way
· High yield: The flat-cup wide-angle solution greatly reduces the precision requirements of Mini backlight fitting, without the need to upgrade industrial equipment, greatly improving the yield of Mini LED products
Low cost: The newly developed high color gamut white light wide-angle solution further greatly reduces the cost from the system level
· Mature process: LED production yield > 99%, SMT PPM < 10
Patents: Global patent coverage
2. COB product advantages:
Superior optical performance: By optimizing the optical solutions at all levels, the number of LEDs used under the same OD is greatly reduced compared to the market technology; Spray coating and Jetted lenses achieve wide-angle light output and improve H/P value
Patented technology: The product has deployed more than 20 global patents around point lenses, reflective layers, phosphors/quantum dots, etc.; global patent coverage has been achieved
Solution: A package of AM/PM driven Mini backlight solutions can be provided
Reliability: Flip chip die bonding and solder paste bonding core technology to improve reliability
· Process maturity: chip yield > 99.98%
Low cost: The PCB design scheme with the front-end of the headlight and the unique patented single-layer PCB technology solve the problem of the high cost of PCB in the COB technology.
Rapid implementation, focusing on user value empowerment
In recent years, ShineOn has rearranged its layout and formed two entities, "ShineOn Innovation" and "ShineOn Beijing". Among them, ShineOn Beijing holds Shenzhen Betop Electronics Co. Ltd. who focusing on the field of high-power industrial lighting and intelligent lighting systems, and entering the intelligent industrial lighting business. ShineOn Innovation focusing on Mini LED backlight and LED display products, full-spectrum educational lighting and infrared devices. At present, it has completed the layout of Beijing as the core R&D base and Nanchang as the engineering manufacturing center. The company has established a COB and POB mass production base, and is rapidly expanding its production capacity to meet the booming market demand, providing landing solutions for medium and large sizes of TV/MNT and small and medium sizes such as PAD/NB/VR/vehicle.
ShineOn Innovation firmly believes in the future prospects of localization of optoelectronics, adheres to demand orientation, optimizes products, serves the industrial chain, creates the greatest added value of cooperation, and maximizes the empowerment of users.
Post time: Aug-09-2022