# US 11,442,567 B2 · Organic light emitting display device and method of manufacturing the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,442,567 B2 - Document ID: US11442567B2 - Status: Granted - Kind: B2 - Application number: 17/222,946 - Filed: 2021-04-05 - Published: 2021-07-22 - Granted: 2022-09-13 - Earliest claimed: 2015-10-06 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Seung-Lyong Bok; Young-Seok Seo; Mu-Gyeom Kim - Web page: https://patentgrep.com/patent/US11442567B2 ## CPC - G06F 3/0412: {Digitisers structurally integrated in a display} - G06F 3/0443: {using a single layer of sensing electrodes} - H10K 59/40: OLEDs integrated with touch screens - H10K 59/878: {comprising reflective means} - G06F 2203/04103: Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices - H10K 59/1201: {Manufacture or treatment} - H10K 59/873: {Encapsulations} - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract An organic light emitting display device includes a substrate including a light-emitting region and a reflection region, a plurality of sensing patterns disposed in the light-emitting region and the reflection region, and including a material having a first reflectivity, and a reflection pattern disposed in the reflection region, and including a material having a second reflectivity, and overlapping the plurality of sensing patterns. ## Claims ### Claim 1 A display device comprising: a first substrate in which a plurality of pixel areas is defined; a plurality of pixels including a plurality of light emitting layers between a plurality of lower electrodes and an upper electrode on the first substrate; a second substrate having a side facing the first substrate, wherein the light emitting layers are disposed between the second substrate and the first substrate; touch sensor electrodes on the second substrate, wherein the touch sensor electrodes are between the first substrate and the second substrate; a plurality of connection lines which are respectively connected to the touch sensor electrodes; a pixel defining layer separating the plurality of the pixel areas; a sensing driver; wherein the touch sensor electrodes are electrically connected to the sensing driver; wherein the touch sensor electrodes and the connection lines are formed of metal, wherein the touch sensor electrodes and the connection lines are on a same layer, wherein the touch sensor electrodes are connected to the corresponding connection lines. ### Claim 2 (depends on 1) The display device of claim 1, wherein the touch sensor electrodes and the connection lines are formed of molybdenum, and wherein the first substrate and the second substrate comprise glass. ### Claim 3 (depends on 1) The display device of claim 1, wherein the touch sensor electrodes are between the pixels in a plan view. ### Claim 4 (depends on 3) The display device of claim 3, wherein the touch sensor electrodes and the connection lines are formed of molybdenum, and wherein the first substrate and the second substrate comprise glass. ### Claim 5 A display device comprising: a first substrate in which a plurality of pixel areas is defined; a plurality of pixels including a plurality of light emitting layers between a plurality of lower electrodes and an upper electrode on the first substrate; a second substrate having a side facing the first substrate, wherein the light emitting layers are disposed between the second substrate and the first substrate; touch sensor electrodes on the second substrate, wherein the touch sensor electrodes are between the first substrate and the second substrate; a plurality of connection lines which are connected to the touch sensor electrodes; a pixel defining layer separating the plurality of the pixel areas; a thin film encapsulation layer on the upper electrode, a sensing driver; wherein the touch sensor electrodes are electrically connected to the sensing driver; wherein the touch sensor electrodes and the connection lines are formed of metal, wherein the touch sensor electrodes and the connection lines are on a same layer, Wherein the thin film encapsulation layer includes a first encapsulation layer, an organic layer, and a second inorganic layer which are sequentially stacked. ### Claim 6 (depends on 5) The display device of claim 5, wherein the touch sensor electrodes and the connection lines are formed of aluminum and titanium, and wherein the first substrate and the second substrate comprise glass. ### Claim 7 (depends on 5) The display device of claim 5, wherein the touch sensor electrodes are between the pixels in a plan view. ### Claim 8 (depends on 7) The display device of claim 7, wherein the touch sensor electrodes and the connection lines are formed of aluminum and titanium, and wherein the first substrate and the second substrate comprise flexible resin. ### Claim 9 A display device comprising: a substrate; a buffer layer on the substrate; an active pattern on the buffer layer; a first insulation layer on the active pattern; a gate electrode on a portion of the first insulation layer; a second insulation layer on the gate electrode; a source electrode and a drain electrode on the substrate; a third insulation layer on the source electrode and the drain electrode; a lower electrode on the third insulation layer; a light emitting layer on the lower electrode; an upper electrode on the light emitting layer; a pixel defining layer on the third insulation layer to expose a portion of the lower electrode; a thin film encapsulation layer on the upper electrode; touch sensor electrodes on the thin film encapsulation layer; a plurality of connection lines which are connected to the touch sensor electrodes; a sensing driver; wherein the touch sensor electrodes are electrically connected to the sensing driver; wherein the touch sensor electrodes and the connection lines are formed of metal, wherein the touch sensor electrodes and the connection lines are formed of aluminum and titanium, wherein the touch sensor electrodes and the connection lines are on a same layer, wherein the substrate comprises: a first polyimide layer; a barrier film layer disposed on the first polyimide layer; and a second polyimide layer disposed on the barrier film layer, and wherein the thin film encapsulation layer includes a first encapsulation layer, an organic layer, and a second inorganic layer which are sequentially stacked. ### Claim 10 A display device comprising: a substrate; a buffer layer on the substrate; an active pattern on the buffer layer; a first insulation layer on the active pattern; a gate electrode on a portion of the first insulation layer; a second insulation layer on the gate electrode; a source electrode and a drain electrode on the substrate; a third insulation layer on the source electrode and the drain electrode; a lower electrode on the third insulation layer; a light emitting layer on the lower electrode; an upper electrode on the light emitting layer; a pixel defining layer on the third insulation layer to expose a portion of the lower electrode; a thin film encapsulation layer on the upper electrode; touch sensor electrodes on the thin film encapsulation layer; connection lines which are connected to the touch sensor electrodes; and a sensing driver; wherein the touch sensor electrodes are electrically connected to the sensing driver; wherein the touch sensor electrodes and the connection lines are formed of metal, wherein the touch sensor electrodes and the connection lines are formed of aluminum and titanium, wherein the touch sensor electrodes and the connection lines are on a same layer, wherein the touch sensor electrodes are connected to the corresponding connection lines, wherein the substrate comprises: a first polyimide layer; a barrier film layer disposed on the first polyimide layer; and a second polyimide layer disposed on the barrier film layer, and wherein the thin film encapsulation layer includes a first encapsulation layer, an organic layer, and a second inorganic layer which are sequentially stacked. ### Claim 11 A display device comprising: a first substrate in which a plurality of pixel areas is defined; a plurality of pixels including a plurality of light emitting layers between a plurality of lower electrodes and an upper electrode on the first substrate; touch sensor electrodes on the first substrate; a plurality of connection lines which are connected to the touch sensor electrodes; a pixel defining layer separating the plurality of the pixel areas; a thin film encapsulation layer on the upper electrode; and a sensing driver, wherein the touch sensor electrodes are electrically connected to the sensing driver, wherein the touch sensor electrodes and the connection lines are formed of metal, wherein the touch sensor electrodes and the connection lines are formed of aluminum and titanium, wherein the touch sensor electrodes and the connection lines are on a same layer, and wherein the thin film encapsulation layer includes a first encapsulation layer, an organic layer, and a second inorganic layer which are sequentially stacked. ### Claim 12 An organic light emitting display device comprising: a substrate; an organic light emitting unit on the substrate; a metal layer on the organic emitting unit; a first insulating layer on the metal layer; a plurality of sensing patterns on the first insulating layer; and a thin film encapsulation layer on the organic light emitting unit, wherein the organic light emitting unit comprises an anode, an organic light emitting layer and a cathode, wherein the plurality of sensing patterns are formed of metal, wherein the plurality of sensing patterns are formed of aluminum and titanium, and wherein a signal is applied to the metal layer to improve touch sensitivity.