# US 10,873,054 B2 · Display apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,873,054 B2 - Document ID: US10873054B2 - Status: Granted - Kind: B2 - Application number: 16/257,957 - Filed: 2019-01-25 - Published: 2019-08-01 - Granted: 2020-12-22 - Earliest claimed: 2018-01-26 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Byungrok Moon; Jaehyun Kim; Seokhoon Seo; Seungwoo Seo - Web page: https://patentgrep.com/patent/US10873054B2 ## CPC - H10K 59/40: OLEDs integrated with touch screens - G06F 3/044: by capacitive means - H10K 59/122: Pixel-defining structures or layers, e.g. banks - H10K 59/8731: {multilayered coatings having a repetitive structure, e.g. having multiple organic-inorganic bilayers} - G06F 3/0414: {using force sensing means to determine a position} - G06F 3/046: by electromagnetic means - H10K 59/12: Active-matrix OLED [AMOLED] displays - H10K 59/131: Interconnections, e.g. wiring lines or terminals - H10K 59/35: comprising red-green-blue [RGB] subpixels - H10K 2102/00: Constructional details relating to the organic devices covered by this subclass - H10K 2102/351: {Thickness} - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract A display device including a light emitting device and an encapsulation member provided on the light emitting device to seal the light emitting device. The encapsulation member may include an organic layer and at least one inorganic layer. An extinction coefficient of the inorganic layer to light having a wavelength range of about 390-430 nm may range from about 0.0052 to about 0.0085. ## Claims ### Claim 1 A display apparatus, comprising: an organic light emitting device; and an encapsulation member provided on the organic light emitting device to seal the organic light emitting device, the encapsulation member including an organic layer and at least one inorganic layer, wherein an extinction coefficient of the inorganic layer to light having a wavelength range of about 390-430 nm ranges from about 0.0052 to about 0.0085. ### Claim 2 (depends on 1) The display apparatus of claim 1, wherein an extinction coefficient of the inorganic layer to light having a wavelength range of about 430 nm or longer is less than or equal to about 0.004. ### Claim 3 (depends on 1) The display apparatus of claim 1, wherein a refractive index of the inorganic layer to light having a wavelength range of about 390-430 nm ranges from about 1.774 to about 1.778. ### Claim 4 (depends on 1) The display apparatus of claim 1, wherein the inorganic layer comprises a silicon-based material. ### Claim 5 (depends on 1) The display apparatus of claim 1, wherein the inorganic layer comprises a plurality of inorganic layers, the plurality of inorganic layers comprises: a lower encapsulation layer between the organic light emitting device and the organic layer; and an upper encapsulation layer facing the lower encapsulation layer with the organic layer interposed therebetween. ### Claim 6 (depends on 5) The display apparatus of claim 5, wherein the upper encapsulation layer comprises silicon nitride (SiNx). ### Claim 7 (depends on 6) The display apparatus of claim 6, wherein a ratio in number of nitrogen atoms to silicon atoms in the upper encapsulation layer ranges from about 0.4 to about 0.6. ### Claim 8 (depends on 5) The display apparatus of claim 5, wherein the lower encapsulation layer comprises silicon oxynitride (SiOxNy). ### Claim 9 (depends on 8) The display apparatus of claim 8, wherein a ratio in number of oxygen atoms to silicon atoms in the lower encapsulation layer ranges from about 0.55 to about 0.75. ### Claim 10 (depends on 5) The display apparatus of claim 5, wherein the lower encapsulation layer comprises silicon oxide (SiOx). ### Claim 11 (depends on 5) The display apparatus of claim 5, wherein each of the plurality of inorganic layers has transmittance of about 80% or lower to light having a wavelength range of about 390-430 nm. ### Claim 12 (depends on 1) The display apparatus of claim 1, further comprising an input sensing unit, which is provided to face the organic light emitting device with the encapsulation member interposed therebetween, wherein the input sensing unit comprises: a first conductive layer provided on the encapsulation member to include at least one bridge pattern; a second conductive layer provided on the first conductive layer to include a plurality of sensor patterns; and a first interlayered insulating layer interposed between the first conductive layer and the second conductive layer, wherein the bridge pattern connects adjacent ones of the sensor patterns to each other. ### Claim 13 (depends on 12) The display apparatus of claim 12, wherein an extinction coefficient of the first interlayered insulating layer to light having a wavelength range of about 390-430 nm ranges from about 0.0052 to about 0.0085. ### Claim 14 (depends on 13) The display apparatus of claim 13, wherein an extinction coefficient of the first interlayered insulating layer to light having a wavelength range of about 430 nm or longer is less than or equal to about 0.004. ### Claim 15 A display apparatus, comprising: an organic light emitting device; and an encapsulation member provided on the organic light emitting device to seal the organic light emitting device, the encapsulation member including an organic layer and at least one inorganic layer, wherein a difference between extinction coefficients of the inorganic layer to first and second lights is greater than or equal to about 0.003, where the first light has a wavelength range of about 390-430 nm and the second light has a wavelength range of about 540 nm-620 nm. ### Claim 16 (depends on 15) The display apparatus of claim 15, wherein a difference between refractive indices of the inorganic layer to the first and second lights is smaller than or equal to about 0.04. ### Claim 17 (depends on 15) The display apparatus of claim 15, wherein the at least one inorganic layer comprises at least one of silicon nitride (SiNx), silicon oxynitride (SiOxNy), or silicon oxide (SiOx). ### Claim 18 (depends on 17) The display apparatus of claim 17, wherein a ratio in number of nitrogen atoms to silicon atoms in the inorganic layer ranges from about 0.4 to about 0.6. ### Claim 19 (depends on 17) The display apparatus of claim 17, wherein a ratio in number of oxygen atoms to silicon atoms in the inorganic layer ranges from about 0.55 to about 0.75. ### Claim 20 A display apparatus, comprising: an display member configured to display an image, the display member including an organic light emitting device; and an encapsulation member provided on the display member to seal the organic light emitting device, wherein the encapsulation member comprises: a lower encapsulation layer on the organic light emitting device; an organic layer on the lower encapsulation layer; and an upper encapsulation layer on the organic layer, wherein each of the lower and upper encapsulation layers comprises a silicon-based material, and an extinction coefficient of each of the lower and upper encapsulation layers to light having a wavelength range of about 390-430 nm ranges from about 0.0052 to about 0.0085.