# US 8,786,173 B2 · Master glass having structure capable of preventing damage caused by static electricity > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,786,173 B2 - Document ID: US8786173B2 - Status: Granted - Kind: B2 - Application number: 12/837,354 - Filed: 2010-07-15 - Published: 2011-02-24 - Granted: 2014-07-22 - Earliest claimed: 2009-08-20 - Assignees: Samsung Display Co., Ltd. - Applicants: Jae-Yong Lee; Won-Kyu Kwak; Jae-Jung Kim; Tae-Jin Park; Dong-Young Sung - Inventors: Jae-Yong Lee; Won-Kyu Kwak; Jae-Jung Kim; Tae-Jin Park; Dong-Young Sung - Web page: https://patentgrep.com/patent/US8786173B2 ## CPC - H05K 1/0259: {Electrostatic discharge [ESD] protection} - H10K 71/191: {characterised by provisions for the orientation or alignment of the layer to be deposited} - H10K 71/70: Testing, e.g. accelerated lifetime tests - H05K 1/0269: {for visual or optical inspection} - H05K 2201/0108: Transparent - H05K 2201/10204: Dummy component, dummy PCB or template, e.g. for monitoring, controlling of processes, comparing, scanning - H05K 2203/173: Adding connections between adjacent pads or conductors, e.g. for modifying or repairing - H10K 59/88: Dummy elements, i.e. elements having non-functional features - H10K 71/00: Manufacture or treatment specially adapted for the organic devices covered by this subclass - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract There is provided a master glass having a structure capable of preventing damage caused by static electricity. The master glass is a substrate on which a deposition process is experimentally performed by being experimentally loaded loading the master glass into a deposition apparatus before starting the deposition process of the substrate for electronic devices. In one embodiment, a master glass includes first conductive patterns and a second conductive pattern. The first conductive patterns are formed to correspond to a deposition pattern required in a substrate for electronic devices. The second conductive pattern electrically connects all the first conductive patterns to one another. ## Claims ### Claim 1 A master glass, comprising: a plurality of first conductive patterns, each of the first conductive patterns being formed to correspond to a deposition pattern required in the substrate for electronic devices; a second conductive pattern surrounding the plurality of the first conductive patterns, and electrically connecting the first conductive patterns to one another; and a shorting bar formed at an edge portion of the master glass to surround the second conductive pattern, the shorting bar being connected to the first conductive patterns through the second conductive pattern. ### Claim 2 (depends on 1) The master glass according to claim 1, wherein the substrate for electronic devices includes a mother substrate for fabricating a plurality of organic light emitting display panels. ### Claim 3 (depends on 2) The master glass according to claim 2, wherein each of the first conductive patterns is formed aligned with one of the organic light emitting display panels of the substrate for electronic devices, and the second conductive pattern is formed in a space between the first conductive patterns. ### Claim 4 (depends on 2) The master glass according to claim 2, wherein the deposition pattern is a pattern of light emitting portions of each of the organic light emitting display panels on which an organic layer is formed, and conductive layers of each of the first conductive patterns are formed aligned with regions between the light emitting portions. ### Claim 5 (depends on 4) The master glass according to claim 4, wherein the first conductive patterns includes a lattice pattern. ### Claim 6 (depends on 1) The master glass according to claim 1, wherein the first and second conductive patterns are integrally formed of the same material. ### Claim 7 (depends on 6) The master glass according to claim 6, wherein the first and second conductive patterns are formed of the same metallic material. ### Claim 8 (depends on 1) The master glass according to claim 1, wherein the substrate for electronic devices includes a deposition substrate for fabricating display panels on which a deposition material is formed, and conductive layers of the first and second patterns are positioned aligned with the region excluding the region of the deposition substrate on which the deposition material is formed. ### Claim 9 A master substrate, comprising: a substrate; a plurality of first conductive patterns formed on the substrate, each of the first conductive patterns being formed to correspond to a deposition pattern required in the substrate for electronic devices; a second conductive pattern surrounding the plurality of the first conductive patterns, and formed on the substrate, the second conductive pattern electrically connecting the first conductive patterns to one another; and a shorting bar formed at an edge portion of the master glass to surround the second conductive pattern, the shorting bar being connected to the first conductive patterns through the second conductive pattern. ### Claim 10 (depends on 9) The master substrate of claim 9, wherein each of the first conductive patterns includes a plurality of conductive layers, the conductive layers being formed aligned with regions of the deposition pattern on which a deposition material of the deposition pattern is not formed. ### Claim 11 (depends on 9) The master substrate of claim 9, wherein the first conductive patterns and the second conductive pattern are made of different materials. ### Claim 12 (depends on 9) The master substrate of claim 9, wherein the first conductive patterns and the second conductive pattern are made of the same material. ### Claim 13 (depends on 9) The master substrate of claim 9, wherein the second conductive pattern connects all of the first conductive patterns. ### Claim 14 (depends on 9) The master substrate of claim 9, wherein the substrate of the master substrate is made of the same material as the substrate for electronic devices.