“Display Week”, sponsored by the international information display Society (SID), is the most influential, professional and authoritative event in the display field in the world. In early August 2020, panel manufacturers such as Tianma, LGD, BOE, vicino, TCL Huaxing, Youda, joled, JBD and Zhijing optoelectronics participated in Sid 2020 online exhibition, and exhibited innovative products such as qd-oled, 8K printing OLED, flexible mciro led, light field OLED and narrow frame panel, highlighting the innovation of Chinese panel manufacturers and leading the development of global display technology.
Tianma exhibits flexible micro led, igzo OLED
At Sid 2020, Tianma exhibited LCD, OLED, micro led, off screen camera solutions, etc.
In terms of LCD, Tianma exhibited 6.53-inch HTD (hybrid TFT display) AMLCD with resolution of 2340×1080, pixel density of 395ppi and contrast of 1500:1.
In terms of OLED, Tianma exhibited HTD AMOLED, waterfall screen, folding screen, igzo AMOLED and off screen camera solutions. Among them, 1.3-inch HTD (hybrid TFT display) AMOLED has a resolution of 254×154, a pixel density of 278ppi and a contrast of 100000:1. The off-screen camera solution has a screen size of 6.2 inches, a resolution of 1080×2400, a pixel density of 400ppi, a brightness of 500CD / m2 and a contrast of 1500:1. 10.3-inch flexible igzo AMOLED, resolution 800×480, pixel density 91ppi, brightness 350cd / m2.
In terms of micro led, Tianma exhibited rigid and flexible micro led. Among them, 5.04 inch LTPS TFT micro led, resolution 480×320, pixel density 114ppi and brightness 600nit. 5.84 inch micro led, resolution 480×648. 7.56 inch flexible LTPS TFT micro led, resolution 480×720, pixel density 114ppi, brightness 600nit.
LGD exhibited light field OLED and silicon-based OLED for the first time
LG display exhibited a series of OLED products and applications, such as foldable OLED, transparent OLED, crimpable OLED, audible vehicle OLED, light field OLED, silicon-based OLED, etc.
The curvature radius of 13.3-inch foldable OLED is 3mm, the number of foldable times is more than 200000, the resolution is 1536×2048, the contrast is 100000:1, the brightness is 300nit, and the color gamut coverage is 95% (DCI).
55 inch transparent OLED, 1920×1080 resolution, support touch.
65 inch crimpable OLED TV with radius of curvature of 50mm and resolution of 1920×1080.
12.8-inch on-board crimpable OLED with a radius of curvature of 10mm and a resolution of 1888×1728.
Screen phonation technology is applied to vehicle OLED with resolution of 2400×900 and brightness of 750nit.
The 6-inch light field OLED has a resolution of 1440×2880, a 3D depth of 50mm and a 3D field angle of less than 40 degrees.
0.42 inch silicon based OLED resolution 1280×720.
In addition, LGD also showed the audience various future application scenarios of OLED in cars, design, stores and other places through videos, opening up the imagination space of OLED applications.
BOE exhibited QD OLED for the first time
At Sid online exhibition, BOE’s innovative display technologies and applications such as printed OLED, flexible display, mini led, BD cell and total reflection LCD made a stunning debut, showing innovative technology in the form of shocking video, so that visitors around the world can feel the charm of cutting-edge technology.
In terms of mini LED backlight products, BOE showed 75 inch 8K and 27 inch 4K products. The 75 inch Mini LED backlight LCD has a resolution of 8K, a peak brightness of 1500nit, a contrast of 1000000:15000 dimming areas, and a color gamut coverage of 80%; The 27 inch Mini LED backlight LCD has a resolution of UHD, a peak brightness of 1000nit, a contrast of 1000000:11000 dimming areas, and a color gamut coverage of more than 99%.
In terms of screen stacking, BOE displayed a series of products such as 110 inch 8K BD cell, 75 inch 8K BD cell, 98 inch 4K BD cell and 3.5 inch BD cell VR. Among them, 75 inch stacked screen TV has 8K resolution, 350nit brightness and 120000:18 million dimming areas; 98 inch stacked screen TV, 4K resolution, 400nit brightness, 150000 contrast: 18 million dimming areas; 3.5-inch stacked screen resolution 4kx4k, pixel density 1746ppi, brightness 150nit, contrast 100000: 1500 dimming areas.
In terms of high refresh screen, BOE exhibited 360hz and 120Hz products, including 15.6-inch LCD panel with resolution of FHD, maximum refresh rate of 360hz, response speed of 1.8ms and color gamut coverage of 100%; The 6.4-inch LCD panel has a resolution of FHD, a maximum refresh rate of 120Hz and a response time of 1.8ms.
In terms of WOLED, BOE exhibited 49 inch WOLED with resolution of 3840×1080, refresh rate of 240Hz, peak brightness of 500nit and color gamut coverage of 95%.
In terms of printing OLEDs, BOE also demonstrated 14 inch, 17 inch, 30 inch printing OLEDs and 55 inch 8K printing OLEDs, all of which adopt the world’s leading RGB full printing technology and oxide process. The 14 inch printed OLED has a resolution of 4K, brightness of 400nit, contrast of 100000:1, weight of 140g and thickness of 1.664mm; 55 inch printed OLED with 8K resolution, 400nit peak brightness, 1000000:1 contrast and 95% color gamut coverage.
It is worth noting that BOE exhibited 13.6-inch QD OLED for the first time, with resolution FHD, brightness 120nit, contrast 110000:1 and color gamut coverage of 100%.
In addition, BOE also exhibited OLED lights, crimpable OLEDs, off screen camera solutions, FID LCD, privacy protection screen, R-LCD, display knob, ads screen, etc. The brightness of OLED lamp is 2000nit, the service life is more than 20000 hours, the thickness is less than 3mm, and the supporting temperature range is – 40-95 ℃.
12.3-inch crimpable OLED, resolution FHD, radius of curvature 5mm, bending times more than 100000 times, contrast 100000: 1.
The off screen camera solution OLED screen size is 6.1 inches, accounting for 100% of the screen. The pixel density of the screen in the camera area is 200ppi, the pixel density of the screen in the non camera area is 398ppi, and the screen transmittance in the camera area is 20%.
5.5-inch fid-lcd resolution FHD, under screen fingerprint pixel density 330ppi, under screen fingerprint layer thickness 400-500mm.
The 23.8-inch privacy protection screen has a resolution of FHD, a front viewing brightness of 405nit and a viewing angle of 42 degrees; The side viewing brightness is 285nit, and the viewing angle is 89 degrees.
32 inch R-LCD resolution FHD, reflectivity 10%, power 1.85w.
TCL Huaxing pushes Mini LED backlight products
TCL Huaxing optoelectronics exhibited mled (a-Si TFT Mini led Blu TV), 86 inch ultra narrow frame double splicing screen and 105 inch large touch screen.
Among them, mled TV adopts a-Si TFT Mini LED backlight module, with a contrast of more than 1 million and 5000 dimming areas, which can be controlled or switched according to the signal of LCD.
The 86 inch ultra-thin frame double splicing screen adopts Mini LED backlight, with contrast of 200000:1 and brightness of 700nits. It supports multi partition local dimming, HDR and 10 touch, with touch accuracy of 1.5mm and seam of 12mm.
The 105 inch large-size touch screen uses T-cell, a unique technology of csot, which improves the recognition of image and text. The touch accuracy is ± 2.5mm and supports multi-user writing with 40 touch points at the same time.
Vicino displays a range of full screen, foldable / crimpable OLEDs
Vicino shows inv see ™ Under screen camera (UDC) solution, o-flex surround display solution, ultra narrow frame flexible AMOLED display, drilled aoled, AMOLED ultra-thin foldable device, AMOLED 360 ° foldable device, AMOLED outward folding device, 12.3-inch crimpable AMOLED vehicle display.
Inv see ™ Under screen camera (UDC) solution adopts innovative minimalist circuit structure design and new manufacturing process to manufacture transparent screen area, so as to realize the balance between screen and under screen camera;
The 7.92-inch o-flex surround display solution screen accounts for up to 180.6%, which is adopted by Xiaomi mix alpha;
The ultra narrow frame flexible AMOLED display adopts innovative cop flexible packaging technology, accounting for 96.57%, which is adopted by ZTE axon Z10 Pro;
Drilling aoled adopts the ultra narrow opening frame design of HIAA laser drilling and packaging technology, which effectively improves the screen proportion;
AMOLED ultra-thin foldable device is equipped with 6.47-inch flexible AMOLED screen, which can be scratched 2000 times. Compared with traditional foldable mobile phones, the thickness is reduced by 30%;
AMOLED 360 ° foldable equipment adopts 7.92 inch flexible AMOLED screen. The external folding radius of the equipment is only 8mm, the external folding radius of the whole module is only 4mm, and the internal folding radius is 2.85mm. It can be seamlessly switched in three forms: folding inward, folding outward and unfolding;
The AMOLED outward folding device adopts a 7.92-inch flexible AMOLED screen. The external folding radius of the device is only 5.85mm, and the external folding radius of the whole module is only 4mm. It can be seamlessly switched between tablet computer and mobile phone;
The 12.3-inch curlable AMOLED on-board display adopts new laminated structure and new flexible materials to ensure product performance and reliability while making the curvature radius of the whole module reach 7mm; In addition, 6.47-inch dynamic crimpable display and 7.2-inch static crimpable display will create more possibilities for display product design.
Youda 8K panel screen accounts for nearly 100%
On Sid 2020, Youda exhibited flexible micro LEDs and 8K borderless panels.
Among them, the flexible 9.4-inch flexible micro led developed by Youda in cooperation with playnitride is the micro led with the highest pixel density (228ppi) in the world. Youda 65-85 inch 8K borderless TV panel screen accounts for nearly 100%, the refresh rate is 120Hz, and the peak brightness is 1200 nits.
Joled displays 4 medium size printed OLEDs
Joled is the world’s leading printing OLED manufacturer. At present, joled is promoting the mass production of the world’s first generation 5.5 printing OLED production line. Due to the limitation of pixel density, joled aims to print OLED for medium-sized application markets such as notebook computers, displays and on-board displays.
At Sid 2020, joled exhibited 14 inch, 22 inch, 27 inch and 32 inch printed OLED products. The resolution of 14 inch printed OLED is 1920×1080, the pixel density is 157ppi, the peak brightness is 250cd / m2, the contrast is 1 million: 1, and the thickness is 1.5mm; 22 inch printed OLED with resolution of 3840×2160, pixel density of 204ppi, peak brightness of 350cd / m2, contrast of 1 million: 1, thickness of 1.3mm; 27 inch printed OLED with resolution of 3840×2160, pixel density of 163ppi, peak brightness of 540cd / m2, contrast of 1 million: 1, thickness of 1.3mm; 32 inch printed OLED with resolution of 3840×2160, pixel density of 139ppi, peak brightness of 540cd / m2, contrast of 1 million: 1, thickness of 1.3mm;
JBD is developing the world’s smallest micro led
JBD exhibited 0.22 inch micro led and 0.31 inch micro led on Sid 2020.
The 0.22 inch micro led was sampled in July 2020, with a resolution of 1920×1080, a contrast greater than 10000:1 and a maximum refresh rate of 360hz. It is very suitable for VR / AR helmets. The resolution of 0.31 inch micro LED is 1280×720, the contrast is greater than 10000:1, and the maximum refresh rate is 240Hz. JBD revealed that 0.13 inch micro LED is under development. It is the world’s smallest micro LED screen with a resolution of 640×480
The PMOLED made of TADF by Zhijing optoelectronics has sent samples to customers
In October 2019, Zhijing optoelectronics launched the world’s first hyperfluorescence ™ (TADF) 2.7 inch yellow PMOLED panel. In April this year, kyulux began to provide hyperfluorescence for Zhijing optoelectronics ™ For materials, Zhijing optoelectronics sends PMOLED to customers for verification. Kyulux wants hyperfluorescence ™ Applied to panchromatic AMOLED.