Abstract: A fan unit for improved airflow within a display assembly is provided. A common housing forms a ducted passageway for exhaust from fans thereat. An upper portion of the common housing includes openings, each aligned with an intake of a respective one of the fans for ingesting airflow. A forward portion of the common housing forms, at least in part, an exit for the exhaust. A rear wall extends along and from a rear edge of the upper portion to and along an underlying surface of the display assembly when the fan unit is installed. The rear edge forms a wave shape defining peaks in the upper portion for the openings, and a valley between adjacent peaks. The rear wall forms the wave shape and thereby defines peaks, each accommodating one of the fans and a valley between adjacent peaks.

Abstract: A door frame for a display assembly of a display unit is disclosed, along with related display assemblies, units, systems, and methods. The door frame includes a body which is at least substantially planar. At least one vent is provided at the body. A cover is installable to a lip of the door frame which extends at least substantially perpendicular to the body and from an end thereof. The door frame subassembly is replaceable, such as to repair damaged covers offsite. The door frame may be formed by extrusion and bending.

Abstract: Display assemblies are provided which include subassemblies, including a passageway and at least one of which also includes an electronic display. A closed loop airflow pathway for circulating gas includes a rear airflow passageway between the subassemblies and the airflow passageway thereof. Fan units are located within the rear airflow passageway adjacent to an entrance to the airflow passageway of an associated one of the subassemblies. Each fan unit including fan(s) and a ducted passageway extending about an exit of fan(s) to the airflow passageway of the associated subassembly such that, when the fan is activated, the ducted passageway captures airflow exiting the fan(s) and conveys it to the entrance to the airflow passageway of the associated subassembly for flow therein in a respective direction.

Abstract: Display assemblies with replaceable covers are disclosed, along with related subassemblies, systems, and methods thereof. A cover subassembly for a display assembly includes a door frame, a plurality of clips, each removably installed to the door frame by fasteners, and a cover, a portion of which is sandwiched between a ledge of the door frame and a lip of each of the clips. The cover subassembly may be removed and replaced with a new cover subassembly. The cover of the removed cover subassembly may be replaced, such as at an offsite location, to generate a refurbished cover subassembly for subsequent installation to a same or different display assembly.

Abstract: An electronic display assembly with ventilation, and systems and methods related to the same are disclosed. The electronic display assembly includes an electronic display layer located rearward of a cover layer, a closed loop airflow pathway extending within the electronic display assembly, one or more fans located within the closed loop airflow pathway for moving circulating gas within the closed loop airflow pathway when activated, and one or more vents fluidly interposed between the closed loop airflow pathway and an ambient environment.

Abstract: Display assemblies are disclosed which include a cover layer, an electronic display layer located behind the cover layer, an illumination device located rearward of, and spaced apart from, the electronic display layer, and support structures extending from a forward surface of the illumination device towards a rear surface of the electronic display layer. These support structures may be optically transmissible and support the electronic display layer, such as against rearward movement towards the illumination device.

Abstract: Display assemblies and related systems and methods providing field leak testing are disclosed. An electronic display assembly includes an electronic display, a differential pressure sensor fluidly connected to an ambient environment and an internal area, and fan(s) located within, or fluidly connected with, the internal area. Differential pressure readings are taken before and while and/or after to command a speed of the fan(s) to be temporarily increased. Where an insufficient change is provided, indication of a probable leak is provided.

Abstract: Display assemblies with enhanced fan control are disclosed. An electronic display is located within a housing. A controller receives readings from sensors located at an airflow pathway extending within the housing and determines which of the readings is, relatively, furthest from a predetermined, associated parameter. The controller drives fans located at the airflow pathway based on the relatively furthest one of the readings in accordance with a control scheme including reading-dependent, preprogrammed operating parameters for the fans.

Abstract: Display assemblies are provided which include subassemblies attached to a structural framework, each including a passageway and at least one of which also includes an electronic display layer, an illumination device, and a forward cover. A closed loop airflow pathway for circulating gas is formed by a rear passageway behind the subassemblies and the passageway of each subassembly. Fan units associated the subassemblies and positioned to cause flow of the circulating gas within the passageways of the respective subassemblies in a respective direction.

Abstract: Display assemblies and related systems and methods are provided which provide condensation mitigation. A cover layer forms a forward portion of a housing for an electronic display located rearward of the cover layer. A continuous airflow pathway extends entirely within the housing such that the continuous airflow pathway is partitioned from an ambient environment. One or more gaskets are provided which, at least in part, partition the continuous airflow pathway from the ambient environment. The one or more gaskets extending from an interior surface of the cover layer to a portion of the housing.

Abstract: Display assemblies for inhibiting delamination of an optical stack are disclosed. A structural framework defines, at least in part, an enclosure for the optical stack, which includes an electronic display layer. One or more airflow passageways are located within the enclosure and define a continuous, interconnected airflow pathway extending along one or more surfaces of the optical stack. One or more fan units are positioned along the continuous, interconnected airflow pathway, and when activated, move gas through the continuous, interconnected airflow pathway and generate compressive forces at the optical stack, thereby reducing the likelihood of delamination.

Abstract: An electronic display assembly with ventilation, and systems and methods related to the same are provided. The electronic display assembly includes an electronic display layer, a closed loop airflow pathway, and one or more vents fluidly interposed between the closed loop airflow pathway and an ambient environment. A controller may control the vents selectively and individually between an open state and a closed state.

Abstract: Display assemblies utilizing air characteristic data to verify internal operating conditions and related systems and methods are disclosed. The display assembly includes a side assembly, including an electronic display, is connected to a structural framework. Sensor(s) are provided, at least one of which is located at, or fluidly connected to, a closed airflow pathway. A controller receives data from the sensor(s) and determines whether an initial indication of an operating condition exists. If so, a testing routine is initiated, additional data is received from the sensor(s) during and/or thereafter. The controller confirms whether the operating condition exists based on the additional data.

Abstract: Display assemblies for inhibiting delamination of an optical stack are disclosed. A structural framework defines, at least in part, an enclosure for the optical stack, which includes an electronic display layer. One or more airflow passageways are located within the enclosure and define a continuous, interconnected airflow pathway extending along one or more surfaces of the optical stack. One or more fan units are positioned along the continuous, interconnected airflow pathway, and when activated, move gas through the continuous, interconnected airflow pathway and generate compressive forces at the optical stack, thereby reducing the likelihood of delamination.

Abstract: A fan unit for improved airflow within a display assembly is provided. A common housing forms a ducted passageway for exhaust from fans thereat. An upper portion of the common housing includes openings, each aligned with an intake of a respective one of the fans for ingesting airflow. A forward portion of the common housing forms, at least in part, an exit for the exhaust. A rear wall extends along and from a rear edge of the upper portion to and along an underlying surface of the display assembly when the fan unit is installed. The rear edge forms a wave shape defining peaks in the upper portion for the openings, and a valley between adjacent peaks. The rear wall forms the wave shape and thereby defines peaks, each accommodating one of the fans and a valley between adjacent peaks.

Abstract: Digital signage units for generating air quality related alerts and providing advertising images and/or wayfinding are disclosed, along with related systems and methods. The digital signage unit includes an air quality monitoring device located along an open loop pathway for ambient air. The air quality monitoring device includes sensor(s) and receives air characteristic measurement data from the sensor(s), where the air characteristic measurement data indicates a concentration for each of certain compound(s). Where the concentration of any one of the compound(s) exceeds a respective predetermined threshold, content displayed at an electronic display of the digital signage unit is modified to include displaying an alert.

Abstract: Display assemblies and related systems and methods are provided which provide modified operations for condensation control. A controller calculates a dewpoint spread between a dewpoint temperature for air at the display assembly and an internal temperature for the display assembly determined based, at least in part, on data received from one or more sensors located along an airflow pathway extending within a housing for an electronic display. The controller continues to operate the display assembly in a modified operating mode until the dewpoint spread is determined to be above a predetermined threshold by at least a predetermined clear parameter. The controller continues to not operate in the modified operating mode unless and until the dewpoint spread is determined to be less than the predetermined threshold by at least a predetermined buffer parameter.

Abstract: Display assemblies for preventing delamination of an optical stack are disclosed. A continuous, interconnected airflow pathway includes each of a first, second, and third airflow passageways, where the first airflow passageway is located, at least in part, forward of the optical stack, the second airflow passageway is located, at least in part, rearward of the optical stack, and the third airflow passageway is located, at least in part, rearward of the second airflow passageway. One or more fan units are positioned along the continuous, interconnected airflow pathway, and when activated, push gas through the continuous, interconnected airflow pathway, including into the first and second airflow passageways to generate compressive forces by the gas at the optical stack.