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Controlling an electronic device using chiplets

A technology of small chips and optoelectronic devices, applied in the direction of electric solid devices, electrical components, semiconductor devices, etc., can solve the problems of testing pixel control circuits of displays, discarding faulty devices, and inability to correct circuits.

Inactive Publication Date: 2012-05-30
GLOBAL OLED TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is difficult to test a display's pixel control circuitry without actually building the display and observing the display's light emission
At this point in the manufacturing process, circuit defects may not be corrected and faulty devices must be discarded

Method used

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  • Controlling an electronic device using chiplets
  • Controlling an electronic device using chiplets
  • Controlling an electronic device using chiplets

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] refer to figure 1 and figure 2 , in one embodiment of the invention, an electronic device includes a common substrate 10 having an optical working area 11 , wherein a plurality of chiplet sites 21 are located in the working area 11 on the common substrate 10 . A plurality of controlled optoelectronic devices 80 are located in the working area 11 on a common substrate 10 , each optoelectronic device is adapted to emit or absorb light, and a wiring layer 32 with a plurality of conductors 18 is formed on the common substrate 10 . These conductors may include, for example, metals, conductive metal oxides, or conductive polymers. A plurality of chiplets 20 are located on common substrate 10 in chiplet locations 21, each chiplet 20 having an individual substrate 48 separate from common substrate 10, each individual substrate 48 having a top surface opposite bottom surface 22B 22A, and one or more connection pads 24 are formed on the bottom surface 22B of the chiplet 20. E...

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PUM

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Abstract

The invention provides an electronic apparatus including a common substrate, a plurality of controlled electronic devices disposed over the common substrate, and a wiring layer having a plurality of conductors formed on the common substrate. A plurality of chiplets are located over the common substrate, each chiplet having an independent substrate separate from the common substrate, each independent substrate having a bottom side opposing a top side with one or more connection pads formed on the bottom side of the chiplet, and each chiplet including circuitry for controlling functions of one or more of the controlled electronic devices. The chiplets are adhered to the common substrate with the bottom side of the chiplet closer to the common substrate than the top side of the chiplet, and each connection pad is electrically connected to one of the plurality of conductors.

Description

[0001] Cross references to related patent applications [0002] Reference is made to US Patent Application No. 12 / 191,478, filed August 14, 2008, by Winters et al., entitled "OLED DEVICE WITH EMBEDDED CHIP DRIVING," the disclosure of which is hereby incorporated herein. technical field [0003] The present invention relates to devices employing independent control chiplets having individual substrates distributed over a common substrate. Background technique [0004] Flat panel display devices are widely used in conjunction with computing devices in portable devices and in entertainment devices such as televisions. These displays typically use multiple pixels distributed over a substrate to display an image. Each pixel contains multiple light-emitting elements of different colors, usually called sub-pixels, which typically emit red, green, and blue light to represent individual pixel elements. Various flat panel display technologies are known, for example plasma displays, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L27/32H01L51/00H10K99/00
CPCH01L2251/568H01L51/56H01L27/3255H01L27/3248H01L27/3276H01L51/003Y02E10/50Y02E10/549H01L2224/16225H01L2924/12044Y10T29/4913Y02P70/50H10K59/129H10K59/123H10K71/80H10K59/131H10K71/861H10K71/00H10K71/70H10K71/60H01L2924/00
Inventor R·S·库克约翰·W·哈默
Owner GLOBAL OLED TECH
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