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Device including transparent seal and method of making the same

A sealing device, sealing layer technology, applied in the direction of manufacturing tools, chemical instruments and methods, semiconductor/solid-state device manufacturing, etc., can solve the problems of high processing temperature, low tensile strength, shear strain, unsuitability, etc.

Active Publication Date: 2021-03-12
CORNING INC
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, glass frits may require higher processing temperatures that are unsuitable for devices such as OLEDs or QDs, and / or may generate undesirable gases after sealing
Frit seals may also have undesirably low tensile strength and / or shear strain
Additionally, using these materials to form a hermetic seal can result in an opaque seal due to the negative CTE inorganic fillers in the frit paste

Method used

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  • Device including transparent seal and method of making the same
  • Device including transparent seal and method of making the same
  • Device including transparent seal and method of making the same

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Embodiment approach

[0067] As noted above, the sealing devices disclosed herein may be used to enclose one or more workpieces. Exemplary, non-limiting artifacts may include color converting elements (e.g., quantum dots (QDs) and phosphors) and / or light emitting structures (e.g., laser diodes (LDs), light emitting diodes (LEDs), and organic light emitting diodes (OLEDs). )Wait. According to some non-limiting embodiments, the sealing device may include one or more cavities containing quantum dots.

[0068] Quantum dots can have varying shapes and / or sizes depending on the desired emission wavelength. For example, as the size of the quantum dot decreases, the frequency of light emission can be increased, for example, the color of the emission can be shifted from red to blue as the size of the quantum dot decreases. When illuminated with blue, UV, or near-UV light, the quantum dots can convert the light to longer wavelengths of red, yellow, green, or blue. According to various embodiments, the qua...

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Abstract

Disclosed herein is a method of making a sealing device (200), the method comprising: placing a sealing layer comprising at least one metal between a first glass substrate (201a) and a second substrate (201b) to form a sealing interface; and directing a laser beam operating at a predetermined wavelength onto the sealing interface, thereby forming at least one seal (207) between the first and second substrates and converting the at least one metal into metal nanoparticles. Also disclosed herein are hermetically sealed devices comprising metal nanoparticles having a particle size of less than about 50 nm, and display devices including such hermetically sealed devices.

Description

[0001] Cross References to Related Applications [0002] This application claims priority under 35 U.S.C. §119 to U.S. Provisional Application Serial No. 62 / 214275, filed Sep. 04, 2015, which application is based upon and is hereby incorporated by reference in its entirety. technical field [0003] The present disclosure relates generally to sealing devices, and more particularly, to transparent hermetic seals comprising metal nanoparticles, and methods of making such seals using metal films. [0004] technical background [0005] Hermetic glass packages and packaging are becoming increasingly popular for applications in electronic devices and other devices that can benefit from an airtight environment for continuous operation. Exemplary devices that may benefit from hermetic packaging include: televisions, sensors, optical devices, organic light emitting diode (OLED) displays, 3D inkjet printers, laser printers, solid state light emitting sources, and photovoltaic structures...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L51/52C03C27/00H01L23/10C03C27/02
CPCC03C27/08C04B37/045C04B2235/665C04B2237/10C04B2237/12C04B2237/121C04B2237/122C04B2237/123C04B2237/124C04B2237/125C04B2237/34C04B2237/343C04B2237/361C04B2237/365C04B2237/366C04B2237/62C04B2237/708C04B2237/72B32B17/06C09K11/08H10K50/8426H10K2102/331H01L23/10H10K50/841B23K2101/36B23K2103/52B23K2103/54B23K1/0056B32B9/005B32B2457/00B82Y20/00B82Y40/00
Inventor M·J·德内卡I·杜塔S·E·科瓦S·L·洛谷诺夫M·A·恰萨达
Owner CORNING INC
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