Product Description:
| The CH700WX08A, a flagship 7-inch long strip TFT LCD module
developed by Chenghao Optoelectronic, stands out as a versatile and
reliable display solution tailored for diverse industrial,
automotive, and smart device applications. Unlike conventional
rectangular displays, its elongated form factor is meticulously
engineered to address the growing demand for space-efficient yet
high-performance visual interfaces in scenarios where horizontal or
vertical narrow display areas are required. As a factory wholesale
product, it balances cost-effectiveness with premium quality, while
the availability of samples and customization services further
enhances its adaptability to specific customer needs, with a
minimum order quantity (MOQ) of 100 pieces ensuring flexibility for
both small-scale testing and large-volume production. |
| At the core of the CH700WX08A’s design is its advanced structural
composition, which integrates multiple high-quality components to
deliver consistent performance. The module features a color active
matrix TFT LCD panel built with amorphous silicon TFT switching
devices—this technology is chosen for its excellent electron
mobility, ensuring fast response times and sharp image rendering
even for dynamic content. Additionally, the module incorporates a
high-efficiency driver IC that optimizes power consumption while
maintaining stable signal transmission, and a durable FPC (Flexible
Printed Circuit) with excellent bending resistance, ensuring
reliable connectivity even in applications with frequent vibration
or mechanical movement. The backlight unit, a critical component
for visibility, uses high-brightness LED chips that not only
achieve the 500 cd/m² brightness rating but also feature uniform
light distribution, avoiding hotspots and ensuring consistent
illumination across the entire active area. |
|  |
In terms of display performance, the CH700WX08A sets a high
standard for long strip modules. Its IPS (In-Plane Switching)
display mode, combined with a transmissive normally black design,
delivers exceptional color accuracy and contrast—16 million color
support ensures that even subtle color gradients, such as those in
graphical user interfaces or data visualization, are reproduced
with vivid detail. The 280x1424 dot resolution, optimized for the
7-inch long strip format, provides a high pixel density that
ensures text, icons, and images remain sharp and legible, even when
viewed up close. One of the most notable performance advantages is
its 80/80/80/80 viewing angles—this means that from any direction
(top, bottom, left, right), the display maintains consistent color
and brightness, a key requirement for applications where multiple
users may view the screen simultaneously, such as industrial
control panels or automotive passenger displays.
 |
| Environmental adaptability is another key strength of the
CH700WX08A, making it suitable for harsh operating conditions. Its
operating temperature range of -20 ~ +70 ℃ allows it to function
reliably in extreme environments, from cold outdoor industrial
sites to high-temperature automotive engine compartments. The
storage temperature range of -30 ~ +80 ℃ ensures that the module
retains its performance and structural integrity even during
long-term storage in unconditioned warehouses or during
transportation across climate zones. The module’s exterior casing
is also designed with durability in mind, using scratch-resistant
materials for the touch panel surface to withstand daily wear and
tear, while the internal components are protected against dust and
minor moisture ingress, further extending the module’s service
life. |
Beyond its hardware specifications, the CH700WX08A is designed with
user convenience and application flexibility in mind. The module’s
compact dimensions (38.2x181.47x3.45 mm) and lightweight design
make it easy to integrate into space-constrained devices, such as
narrow automotive instrument clusters or wall-mounted smart home
controllers. The clear differentiation between the visible area
(34.2x171.48 mm) and active area (33.6x170.88 mm) provides clear
guidelines for mechanical design, helping customers accurately plan
the display’s placement within their products. Whether used in
industrial settings to display real-time production data, in
automotive applications to show driving information, or in smart
homes as a control interface, the CH700WX08A combines performance,
durability, and flexibility to meet the evolving needs of modern
display applications.
Features:
- Utilizes a backlight unit with high-brightness LED chips that
achieve 500 cd/m² brightness and uniform light distribution; this
design eliminates light hotspots across the entire active area,
ensuring consistent visibility whether displaying static data or
dynamic graphics.
- Boasts an IPS transmissive normally black display configuration
that delivers exceptional color accuracy and contrast ratio, making
it capable of reproducing subtle color gradients in graphical
interfaces or data visualizations with remarkable clarity, suitable
for applications requiring precise color representation.
- Features a 280x1424 dot resolution specifically optimized for its
7-inch long strip form factor, resulting in a high pixel density
that keeps text, icons, and images sharp and legible even when
viewed at close range, addressing the challenge of readability in
narrow display spaces.
- Employs a compact and lightweight structure with dimensions of
38.2x181.47x3.45 mm, and clearly differentiates between visible
area (34.2x171.48 mm) and active area (33.6x170.88 mm); this
provides clear mechanical design guidelines for easy integration
into space-constrained devices like narrow instrument clusters or
wall-mounted controllers.
- Combines factory wholesale availability with flexible purchasing
options—including sample provision for pre-production testing and
customization services for tailored needs—alongside a 100-piece
MOQ, balancing cost-effectiveness for large-scale production with
adaptability for small-scale project testing.
Technical Parameters:
| Attribute | Value |
|---|
| Viewing Area Size | 34.2x171.48 mm |
| Active Area Size | 33.6x170.88 mm |
| Screen Brightness | 500 cd/m |
| Module Size | 38.2x181.47x3.45 mm |
| Resolution | 280x1424 dots |
| Display Mode | IPS/Transmissive/Normally Black |
| Storage Temperature | -30 ~ +80 ℃ |
| Operating Temperature | -20 ~ +70 ℃ |
| LCD Type | 7" TFT |
| Contrast | 800:1 |
Applications:
1. Smart Transportation Infrastructure
In smart transportation infrastructure, the CH700WX08A module
serves as a critical display component for roadside traffic control
terminals and public transit information stations. Its 7-inch long
strip design fits perfectly into the narrow installation slots of
traffic signal control boxes and bus stop information panels, where
space is limited but clear information display is essential. The
500 cd/m² high brightness ensures that real-time traffic data (such
as vehicle flow counts, road condition alerts) and public transit
updates (like bus arrival times, route changes) remain visible even
under direct sunlight, a common scenario for outdoor transportation
facilities. The wide operating temperature range of -20 ~ +70 ℃
allows it to withstand extreme weather conditions, from freezing
winter mornings to hot summer afternoons, without compromising
display performance. Additionally, the scratch-resistant touch
panel enables maintenance personnel to easily update information
on-site, reducing the need for specialized tools and simplifying
routine operations.
2. Medical Equipment Sector
Within the medical equipment sector, this module is widely used in
portable diagnostic devices and patient monitoring accessories. For
example, in handheld ultrasound scanners or blood glucose monitors
with narrow display interfaces, the CH700WX08A’s elongated form
factor provides sufficient space to show vital data (such as
waveform graphs, numerical readings) without making the device
overly bulky. The IPS display technology with 80/80/80/80 viewing
angles allows medical staff to view the screen from different
positions during examinations—doctors standing beside the patient
and nurses recording data from a distance can both access clear,
undistorted information. The 16 million color display capability is
crucial for displaying medical images with subtle color
differences, such as tissue scans or test result indicators,
ensuring accurate diagnosis. Moreover, the module’s dust and
moisture protection design meets the hygiene requirements of
medical environments, as it can be easily wiped clean with
disinfectant without damaging internal components.
3. Industrial Automation Monitoring Systems
In industrial automation monitoring systems, the CH700WX08A is an
ideal choice for equipment status dashboards in automated
warehouses and conveyor belt control systems. The long strip
display can be mounted along the edge of conveyor belts or
warehouse rack columns, showing real-time data such as product
transfer speeds, inventory levels, and equipment fault alerts. The
high-efficiency driver IC and bend-resistant FPC ensure stable
performance even in environments with constant mechanical
vibrations from running machinery, preventing display glitches that
could lead to operational errors. The clear differentiation between
the visible area (34.2x171.48 mm) and active area (33.6x170.88 mm)
helps industrial designers precisely align the display with sensor
data input points, ensuring that critical information is presented
in a logical, easy-to-follow layout. Additionally, the module’s
compatibility with customization services allows manufacturers to
adjust the interface to display industry-specific metrics, such as
barcode scanning results or production batch numbers, tailored to
the needs of different automation workflows.
4. Retail Self-Service Kiosks
Retail self-service kiosks, such as self-checkout terminals and
product recommendation displays, benefit greatly from the
CH700WX08A module. In self-checkout kiosks, the long strip display
can be integrated into the narrow space above the scanning area,
showing step-by-step checkout instructions (like item scanning
prompts, payment confirmation) without blocking the customer’s view
of the scanning window. The high-sensitivity touch panel enables
customers to quickly tap and confirm selections, reducing checkout
time and improving user experience. For product recommendation
displays placed on retail shelf edges, the module’s compact size
(38.2x181.47x3.45 mm) allows it to fit seamlessly between product
rows, displaying detailed information such as product ingredients,
pricing, and customer reviews. The uniform light distribution of
the backlight unit ensures that text and images are clear from any
angle, 吸引 ing customers’ attention as they browse the shelves. The
wide storage temperature range of -30 ~ +80 ℃ also makes it
suitable for retail environments with seasonal temperature
fluctuations, such as unheated warehouses used for temporary
storage of kiosk components.
FAQ:
Q: For customers who need to use the CH700WX08A module in
high-humidity environments (such as coastal industrial areas), does
the module have additional humidity protection measures, and what
is the maximum relative humidity it can withstand?
A: The CH700WX08A module has basic humidity resistance, and its
internal components are treated with anti-moisture coating. It can
work normally in environments with a relative humidity of 30% - 80%
(non-condensing). For high-humidity environments like coastal
industrial areas where relative humidity may exceed 80%, we
recommend customers choose our optional enhanced humidity
protection package. This package adds a layer of waterproof
membrane on the FPC interface and strengthens the sealing of the
backlight unit, allowing the module to withstand a maximum relative
humidity of 90% (non-condensing) without affecting performance.
Q: For customers who need to integrate the CH700WX08A module into
products with strict electromagnetic compatibility (EMC)
requirements (such as medical equipment, automotive electronics),
does the module meet relevant EMC standards, and can technical
support be provided for EMC testing?
A: The CH700WX08A module has passed the EMC testing of
international standards such as CE and FCC, and meets the EMC
requirements of most medical equipment (IEC 60601-1) and automotive
electronics (ISO 11452-2) fields. For customers with strict EMC
requirements, we can provide a detailed EMC test report, which
includes test items such as radiated emission, conducted emission,
and electrostatic discharge. During the customer's EMC testing
process, our technical team can also provide remote guidance, such
as suggesting reasonable grounding methods for the module or
optimizing the layout of the surrounding circuits, to help
customers pass the EMC test smoothly.
Q: When customers purchase the CH700WX08A module in large
quantities, can they negotiate the warranty period, and what
conditions need to be met for extending the warranty?
A: Yes, the warranty period of the CH700WX08A module can be
negotiated for large-quantity purchases. To extend the warranty,
customers need to meet the following conditions: First, the single
purchase quantity must be more than 1000 pieces; second, the
modules must be used within the specified operating conditions
(including temperature, humidity, voltage range, etc.) as stated in
the product manual; third, customers need to sign an extended
warranty agreement with Chenghao Optoelectronic, which clarifies
the rights and obligations of both parties. Under normal
circumstances, the warranty period can be extended from the
standard 12 months to a maximum of 24 months, and the specific
extension period is determined by both parties through negotiation
based on the purchase quantity and application scenario.
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