The latest analysis “1Q17 Micro LED Next Generation Display Industry” by LEDinside, a division of TrendForce, make a further analysis on the Micro LED industry. Judging by current technology, how to transfer Micro LED will be the biggest challenge. In addition, according to current players, the technology value chain is coming into existence. Four key technologies include: the production of epi wafer for micron-size chips, the bonding of the chips, the transferring of micro-LEDs to panel substrates, and color conversion.
According to LEDinside’s analysis on the patents owned by 10 investigated transfer manufacturers and categorized by their patent content, LuxVue possess a large number of transfer patents, and X-Celeprint followed.
Source: LEDinside
Apple acquired LuxVue for its great technical potential in Micro LED filed, LuxVue has mastered the key transfer technology, which is the most difficult step for the current development of Micro LED. Moreover, circuit driver, color conversion, detection and the uniformity of wafer wavelength are technical bottlenecks remaining to be overcome. LuxVue filed transfer technology patent initially, extending toward driver, application and other patented technologies later, and it has acquired 65 patents of Micro LED in three years. LuxVue transfers 1μm-100μm LED chip to the target substrate through electrostatic adsorption and temporary substrate carrier.
The existing mass transfer technology developed by manufacturers mainly includes transfer method, transfer equipment and suction nozzle. But finally it is subject to that how to improve the transfer yield to 99.9999% and the precision of each chip must be within ±0.5μm，which is the key challenge for all manufacturers.
Author: Roger, Skyve, Joanne, Joey / LEDinside
1Q17 Micro LED Next Generation Display Industry Member Report- Outline
What is Micro LED?
Definition of Micro LED Display
Micro LED Display Manufacturing Process
LED Display Applications- Backlight and Pixel Light
LED Larger than Pixel-Backlight
Pixel Larger than LED-Micro LED
Combination of High Density Circuit and High Density Light Source
Future of Display Technology To Enter the Era of Self-Emitting
LCD v.s. OLED v.s. Micro LED Analysis
Micro LED to Open Up New Frontier of Display Technology
Micro LED Key Technology Development Map and Analysis
Micro LED Key Technology Development Map
Epi Wafer and Chip Technology
Transfer Technology
Transfer Technology- Pick Up
Transfer Technology- Selectivity
Transfer Technology- Placement
Color Conversion
Micro LED Value Chain and Transfer Manufacturer Analysis
Micro LED Value Chain- Micro LED / QD Phosphor / Transfer / Panel / Driver IC
Major Micro LED Supply Chain and the Focus of Patent Layout
Definition on Patent Classification
LuxVue- Electrostatic Adsorption Transfer Yet to Be a Perfect Solution
LuxVue- Patent Strengthens the Stability of Arrays of Micro Devices
X-Celeprint- Focuses on Transfer Technology, Followed By Display Technology
X-Celeprint- Problems in μTP Transfer Shall Be Settled One by One
X-Celeprint- Active v.s. Passive Matrix Technology Products Planning
Sony- Constantly Develops Micro LED Technology
Sony- Selects Specified Devices for Transfer through Laser Ablation Technology
ITRI- Actively Develops Transfer, Adopting Active Matrix Technology
ITRI- Pick up 1μm-100μm Micro Device through Transfer Technology
PlayNitride- Applies for Patents on PixeLED and Transfer Technology
PlayNitride- Specializes in LED Chip and Transfer Technologies
Mikro Mesa- Minimum Size of Chip is 3μm with Vertical LED Chip Structure
Mikro Mesa- Film Transfer Patent
Ostendo Technology Inc. USA- Qantum Photonic Imager For Holographic Displays
Ostendo Technology Inc. USA- QPI Patent Allows to Achieve RGB LED on Single LED Epi-wafer
Patent Analysis- Transfer & Bonding
Patent Analysis- Micro LED v.s. Substrate
If you would like to know more details, please contact:
Joanne Wu (Taipei)
joannewu@trendforce.com
+886-2-8978-6488 ext. 912
