摘要:
In a method for depositing a barrier coating, a device is provided comprising a first portion and a second portion where a surface of the second portion is in a shadow zone. The device is pretreated wherein the pretreating alters a deposition rate of the barrier coating on a surface exposed to the pretreating. The shadow zone is substantially unexposed to the pretreating. A barrier coating is deposited wherein the barrier coating substantially conforms to a profile of the device. The coating may be a graded-composition barrier coating wherein a composition of the coating varies substantially continuously across a thickness thereof. The first portion may include a flexible, substantially transparent substrate. The second portion may include an electronic device. The barrier coating and first portion may encapsulate the second portion. The method is a single, commercially advantageous, barrier deposition process, enabling increased product throughput and low process tact time.
摘要:
An improvement of a baseline method for depositing a coating on a device having a surface where the surface includes a first portion and a second portion, where the second portion is in a shadow zone, and where the coating is deposited using a first predetermined set of process parameters having a first ratio of a thickness of the coating on the second portion to a thickness of the coating on the first portion. In the improved method, the coating is deposited using a second predetermined set of process parameters such that the coating substantially conforms to a profile of the device and a second ratio of a thickness of the coating on the second portion to a thickness of the coating on the first portion is greater than the first ratio. The method is a single, commercially advantageous deposition process, enabling increased product throughput and low process tact time.
摘要:
Methods for improving coating or etching uniformity of non-conductive substrates in plasma-mediated processes generally include applying an electrically conductive coating to the non-conductive substrate prior to plasma processing. The electrically conductive coating is disposed in electrical communication with a metallic electrode of a plasma reactor. By disposing a conductive layer on the non-conductive substrate, a uniform electric potential is created during plasma processing can be built up on the non-conductive, which is equivalent to that of the metallic electrode upon which it is disposed during plasma processing.
摘要:
Methods for improving coating or etching uniformity of non-conductive substrates in plasma-mediated processes generally include applying an electrically conductive coating to the non-conductive substrate prior to plasma processing. The electrically conductive coating is disposed in electrical communication with a metallic electrode of a plasma reactor. By disposing a conductive layer on the non-conductive substrate, a uniform electric potential is created during plasma processing can be built up on the non-conductive, which is equivalent to that of the metallic electrode upon which it is disposed during plasma processing.
摘要:
Methods and apparatus are disclosed relating to graded-composition barrier coatings comprising first and second materials in first and second zones. The compositions of one or both zones vary substantially continuously across a thickness of the zone in order to achieve improved properties such as barrier, flexibility, adhesion, optics, thickness and tact time. The graded-composition barrier coatings find utility in preventing exposure of devices such as organic electro-luminescent devices (OLEDs) to reactive species found in the environment.
摘要:
Disclosed is a method relating to graded-composition barrier coatings comprising first and second materials in first and second zones. The compositions of one or both zones vary substantially continuously across a thickness of the zone in order to achieve improved properties such as barrier, flexibility, adhesion, optics, thickness, and tact time. The graded-composition barrier coatings find utility in preventing exposure of devices such as organic electro-luminescent devices (OLEDs) to reactive species found in the environment.
摘要:
Methods and apparatus are disclosed relating to graded-composition barrier coatings comprising first and second materials in first and second zones. The compositions of one or both zones vary substantially continuously across a thickness of the zone in order to achieve improved properties such as barrier, flexibility, adhesion, optics, thickness and tact time. The graded-composition barrier coatings find utility in preventing exposure of devices such as organic electro-luminescent devices (OLEDs) to reactive species found in the environment.
摘要:
A barrier coating of organic-inorganic composition, the barrier coating having optical properties that are substantially uniform along an axis of light transmission, said axis oriented substantially perpendicular to the surface of the coating.
摘要:
Embodiments of the invention include a selective deposition assembly that allows for coating of selective portions of an object, such as an electronic device, and inhibits coating of other selective portions of the object, such as the electric contacts. The selective deposition assembly includes a web that has open spaces in it, and reference mechanisms to register the object relative to the web. Other embodiments include a fabrication and selective coating system and method for coating selective portions of an object.
摘要:
Processes for simultaneously encapsulating multiple optoelectronic devices and/or depositing a barrier film onto multiple substrates suitable for fabrication of optoelectronic devices thereon include the use of a plasma deposition apparatus having multiple pairs of opposing electrodes for deposition of reactants onto the substrate that is used to form the device or the complete device itself. The processes significantly reduce tact time relative to one at a time batch processing that is currently used for manufacturing optoelectronic devices.