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Projector Lamp Articles

Ambient Light Reflective Screens Help Maintain Image Quality in Spaces with Extraneous Light

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When buying a projector - whether for a classroom, conference room or sports bar - “brightness” will certainly be one of the specifications at the top of the list to consider. However, it's not only the projector that determines the perception of brightness for the viewer. While the lumen output of the projector is a key variable, the reflective properties of the screen have a significant bearing on how “bright” the images appear. In addition, for spaces where blocking ambient light is either not possible or not desirable (eg. some light may be necessary for note taking in a classroom),...

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Panasonic PT-EZ590 Series Projectors Lamp Replacement Instructions

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For guidance in replacing the lamp (part number ET-LAEF100) for the Panasonic PT-EZ590 Series projectors, download this two page lamp replacement instruction document extracted from the Panasonic manual. Panasonic PT-EZ590 Series Lamp Replacement Instructions (PDF)  

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Panasonic's ET-LAEF Lamp Provides High Brightness for Large Venue Projectors

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The Pansonic ET-LAEF100 OEM lamp provides powerful illumination for a strong line of Panasonic projectors including the large venue models PT-EZ590 WUXGA, PT-EW650 WXGA, PT-EW550 WXGA, PT-EX620 XGA and PT-EX520 XGA. Each of these projectors utilizes the ET-LAEF100 5000 hour UHM lamp to deliver high brightness designed for spaces with high ambient light levels. Clear, delineated text, color saturated graphics and video and superb contrast are all hallmarks of PT-EZ590 series projectors. Panasonic also provides easy lamp and filter replacement for this series of projectors. Both lamp and filter replacement can be accomplished without removing the projector from its ceiling...

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Panasonic PT-AE4000, PT-AE400 Lamp Replacement Instructions

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When it comes time to replace the ET-LAE4000 lamp for the Panasonic PT-AE4000 (or PT-AE400) home theater projector, download this two-page document taken from the Panasonic manual for detailed instructions. PT-AE4000 Lamp Replacement Instructions

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The Epson Powerlite X39 Offers Schools a High Brightness Classroom Projector at an Affordable Price

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A year ago, Epson introduced the new Powerlite X39 as an affordable classroom projector with connectivity options to meet most of the needs in an educational setting. Today, the X39 remains at the affordable end of the Epson line-up of classroom projectors. The projection system is 3LCD, 3-chip technology delivering a native XGA resolution of 1024 x 768 in 4:3 aspect ratio. Epson provides two brightness specs, which for this projector are identical: White brightness: 3500 lumens (ISO 21118) Color brightness: 3500 lumens (IDMS 15.4) The excellent color brightness value for the X39 means color images will project at a strong perceived...

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Factors Affecting the Brightness of a Projected Image

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Brightness sits at the top of the list when thinking about the quality of a projected image whether for conference rooms, classrooms, houses of worship or home theater applications. What are the factors that affect the brightness of a projected image? Projector BrightnessWhen buying a digital projector one of the key metrics found on manufacturer specification sheets is brightness. Measured in lumens, this quantifies the light output of the projector. More lumens, more brightness from the projector. Image Brightness on the ScreenWhat most of us are thinking when the topic is brightness is image brightness – how bright does the projected image...

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The Origins and Technology Behind Digital Projection Lamps

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The UHP lamp (ultra high pressure lamp, usually mercury arc) refers to projector lamps with an internal pressure of over 3000 lbs per square inch. The acronym also stands for ultra high performance. Originally developed by Philips in 1995, it is a common light source for digital data front projection, video front projectors and rear projection televisions because it has very high light output available for the small environments of micro display projectors. The main characteristics of UHP lamps designed for most digital projection applications are:- Short arc- Very high luminance- Long lamp life- High luminous efficacy- Precise color spectrum-...

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Strong Market Growth Forecast for Interactive Projectors

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The interactive projector market is forecast to reach over 2.5 billion dollars in North America by 2022. – averaging over 20% annual growth from 2018. Interactive projectors allow users to interact with the projected image with special pens, a finger or other pointing devices. While interactive projectors are used in both conference rooms and education, the projected growth is being driven by the significant advantages of interactive technology in the education sector. Interactive projectors can be used on any surface and perform very similar functions as interactive whiteboards. However, the relative low cost of interactive projectors, when compared to interactive...

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The Viewsonic PS750W Offers Features and Affordability in the Ultra Short Throw Market

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Viewsonic’s PS750W and PS750WHD DLP projectors, released in August of 2017, offer an affordable, full feature ultra short throw solution for classrooms. Viewsonic has positioned the PS750W (and it’s counterpart, the PS750WHD) as the “total solution” package provided. With embedded cameras, a laser curtain module, IR pens and interactive software, the PS750W is ready to work out of the box. In addition, set-up is easy with both table top or wall mount options to fit most classroom designs – both mounting options can place the projector within inches of the projection screen – throw distance is rated a 1.4 to...

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The Viewsonic PS750HD Provides an Interactive Ultra Short Throw Solution for Classrooms

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In today’s digital, connected world, students arguably learn best when viewing and interacting with the curriculum in ways that mimic how they view and interact in the rest of their world. Projection systems that create interactive displays and whiteboards, provide teachers with an innovative way to reach their students efficiently and effectively. The new Viewsonic PS750HD joins a long list of projectors aimed directly at the education market. Specifically the PS750HD is designed for small to medium sized classrooms (it can also be used in similarly sized conference rooms).The ultra short throw lens projects images of 80 in. to 110...

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